Home / 282,237.28-423,312.17-82,510.72

Finding the Fourth Proportional to 282,237.28, 423,312.17 and 82,510.72

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Solution

The fourth proportional to 282,237.28, 423,312.17 and 82,510.72 is: 123,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,237.28 : 423,312.17 = 82,510.72 : x
  2. Step 2: Convert to fraction form
    282,237.28/423,312.17 = 82,510.72/x
  3. Step 3: Cross multiply
    282,237.28x = 423,312.17 × 82,510.72
  4. Step 4: Simplify right side
    282,237.28x = 34,927,791,931.46
  5. Step 5: Solve for x
    x = 34,927,791,931.46/282,237.28
  6. Step 6: Final answer
    x = 123,753.29

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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.