Home / 384,721.71-577,082.40-104,238.96

Finding the Fourth Proportional to 384,721.71, 577,082.40 and 104,238.96

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Solution

The fourth proportional to 384,721.71, 577,082.40 and 104,238.96 is: 156,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,721.71 : 577,082.40 = 104,238.96 : x
  2. Step 2: Convert to fraction form
    384,721.71/577,082.40 = 104,238.96/x
  3. Step 3: Cross multiply
    384,721.71x = 577,082.40 × 104,238.96
  4. Step 4: Simplify right side
    384,721.71x = 60,154,469,210.30
  5. Step 5: Solve for x
    x = 60,154,469,210.30/384,721.71
  6. Step 6: Final answer
    x = 156,358.40

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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.