Home / 430,249.52-645,349.68-164,036.95

Finding the Fourth Proportional to 430,249.52, 645,349.68 and 164,036.95

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Solution

The fourth proportional to 430,249.52, 645,349.68 and 164,036.95 is: 246,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,249.52 : 645,349.68 = 164,036.95 : x
  2. Step 2: Convert to fraction form
    430,249.52/645,349.68 = 164,036.95/x
  3. Step 3: Cross multiply
    430,249.52x = 645,349.68 × 164,036.95
  4. Step 4: Simplify right side
    430,249.52x = 105,861,191,577.30
  5. Step 5: Solve for x
    x = 105,861,191,577.30/430,249.52
  6. Step 6: Final answer
    x = 246,046.04

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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.