Home / 515,449.98-772,864.32-231,089.10

Finding the Fourth Proportional to 515,449.98, 772,864.32 and 231,089.10

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Solution

The fourth proportional to 515,449.98, 772,864.32 and 231,089.10 is: 346,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,449.98 : 772,864.32 = 231,089.10 : x
  2. Step 2: Convert to fraction form
    515,449.98/772,864.32 = 231,089.10/x
  3. Step 3: Cross multiply
    515,449.98x = 772,864.32 × 231,089.10
  4. Step 4: Simplify right side
    515,449.98x = 178,600,520,130.91
  5. Step 5: Solve for x
    x = 178,600,520,130.91/515,449.98
  6. Step 6: Final answer
    x = 346,494.38

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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.