Home / 351,530.28-527,290.38-85,293

Finding the Fourth Proportional to 351,530.28, 527,290.38 and 85,293

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Solution

The fourth proportional to 351,530.28, 527,290.38 and 85,293 is: 127,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,530.28 : 527,290.38 = 85,293 : x
  2. Step 2: Convert to fraction form
    351,530.28/527,290.38 = 85,293/x
  3. Step 3: Cross multiply
    351,530.28x = 527,290.38 × 85,293
  4. Step 4: Simplify right side
    351,530.28x = 44,974,178,381.34
  5. Step 5: Solve for x
    x = 44,974,178,381.34/351,530.28
  6. Step 6: Final answer
    x = 127,938.28

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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.