Home / 331,192.20-497,117.90-153,739.40

Finding the Fourth Proportional to 331,192.20, 497,117.90 and 153,739.40

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Solution

The fourth proportional to 331,192.20, 497,117.90 and 153,739.40 is: 230,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,192.20 : 497,117.90 = 153,739.40 : x
  2. Step 2: Convert to fraction form
    331,192.20/497,117.90 = 153,739.40/x
  3. Step 3: Cross multiply
    331,192.20x = 497,117.90 × 153,739.40
  4. Step 4: Simplify right side
    331,192.20x = 76,426,607,675.26
  5. Step 5: Solve for x
    x = 76,426,607,675.26/331,192.20
  6. Step 6: Final answer
    x = 230,762.10

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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.