Home / 385,837.32-532,278.24-249,916.62

Finding the Fourth Proportional to 385,837.32, 532,278.24 and 249,916.62

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Solution

The fourth proportional to 385,837.32, 532,278.24 and 249,916.62 is: 344,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,837.32 : 532,278.24 = 249,916.62 : x
  2. Step 2: Convert to fraction form
    385,837.32/532,278.24 = 249,916.62/x
  3. Step 3: Cross multiply
    385,837.32x = 532,278.24 × 249,916.62
  4. Step 4: Simplify right side
    385,837.32x = 133,025,178,640.35
  5. Step 5: Solve for x
    x = 133,025,178,640.35/385,837.32
  6. Step 6: Final answer
    x = 344,770.12

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1.5x scale

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.