Home / 302,789.28-417,849.24-175,538.70

Finding the Fourth Proportional to 302,789.28, 417,849.24 and 175,538.70

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Solution

The fourth proportional to 302,789.28, 417,849.24 and 175,538.70 is: 242,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,789.28 : 417,849.24 = 175,538.70 : x
  2. Step 2: Convert to fraction form
    302,789.28/417,849.24 = 175,538.70/x
  3. Step 3: Cross multiply
    302,789.28x = 417,849.24 × 175,538.70
  4. Step 4: Simplify right side
    302,789.28x = 73,348,712,385.59
  5. Step 5: Solve for x
    x = 73,348,712,385.59/302,789.28
  6. Step 6: Final answer
    x = 242,243.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.