Home / 282,476.60-423,321.24-212,273.92

Finding the Fourth Proportional to 282,476.60, 423,321.24 and 212,273.92

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Solution

The fourth proportional to 282,476.60, 423,321.24 and 212,273.92 is: 318,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,476.60 : 423,321.24 = 212,273.92 : x
  2. Step 2: Convert to fraction form
    282,476.60/423,321.24 = 212,273.92/x
  3. Step 3: Cross multiply
    282,476.60x = 423,321.24 × 212,273.92
  4. Step 4: Simplify right side
    282,476.60x = 89,860,059,034.06
  5. Step 5: Solve for x
    x = 89,860,059,034.06/282,476.60
  6. Step 6: Final answer
    x = 318,115.05

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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.