Home / 385,959.34-531,434.98-342,864.10

Finding the Fourth Proportional to 385,959.34, 531,434.98 and 342,864.10

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Solution

The fourth proportional to 385,959.34, 531,434.98 and 342,864.10 is: 472,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,959.34 : 531,434.98 = 342,864.10 : x
  2. Step 2: Convert to fraction form
    385,959.34/531,434.98 = 342,864.10/x
  3. Step 3: Cross multiply
    385,959.34x = 531,434.98 × 342,864.10
  4. Step 4: Simplify right side
    385,959.34x = 182,209,976,126.22
  5. Step 5: Solve for x
    x = 182,209,976,126.22/385,959.34
  6. Step 6: Final answer
    x = 472,096.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.