Home / 474,824.16-712,404.72-159,280.56

Finding the Fourth Proportional to 474,824.16, 712,404.72 and 159,280.56

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Solution

The fourth proportional to 474,824.16, 712,404.72 and 159,280.56 is: 238,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,824.16 : 712,404.72 = 159,280.56 : x
  2. Step 2: Convert to fraction form
    474,824.16/712,404.72 = 159,280.56/x
  3. Step 3: Cross multiply
    474,824.16x = 712,404.72 × 159,280.56
  4. Step 4: Simplify right side
    474,824.16x = 113,472,222,748.24
  5. Step 5: Solve for x
    x = 113,472,222,748.24/474,824.16
  6. Step 6: Final answer
    x = 238,977.36

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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.