Home / 283,320,657.90-424,658,612.12-172,411,713.88

Finding the Fourth Proportional to 283,320,657.90, 424,658,612.12 and 172,411,713.88

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Solution

The fourth proportional to 283,320,657.90, 424,658,612.12 and 172,411,713.88 is: 258,421,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,320,657.90 : 424,658,612.12 = 172,411,713.88 : x
  2. Step 2: Convert to fraction form
    283,320,657.90/424,658,612.12 = 172,411,713.88/x
  3. Step 3: Cross multiply
    283,320,657.90x = 424,658,612.12 × 172,411,713.88
  4. Step 4: Simplify right side
    283,320,657.90x = 73,216,119,127,587,632
  5. Step 5: Solve for x
    x = 73,216,119,127,587,632/283,320,657.90
  6. Step 6: Final answer
    x = 258,421,393.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.