Home / 331,531.59-497,300.87-265,392.15

Finding the Fourth Proportional to 331,531.59, 497,300.87 and 265,392.15

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Solution

The fourth proportional to 331,531.59, 497,300.87 and 265,392.15 is: 398,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,531.59 : 497,300.87 = 265,392.15 : x
  2. Step 2: Convert to fraction form
    331,531.59/497,300.87 = 265,392.15/x
  3. Step 3: Cross multiply
    331,531.59x = 497,300.87 × 265,392.15
  4. Step 4: Simplify right side
    331,531.59x = 131,979,747,086.17
  5. Step 5: Solve for x
    x = 131,979,747,086.17/331,531.59
  6. Step 6: Final answer
    x = 398,091.01

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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.