Home / 498,101.40-747,071.91-143,034.66

Finding the Fourth Proportional to 498,101.40, 747,071.91 and 143,034.66

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Solution

The fourth proportional to 498,101.40, 747,071.91 and 143,034.66 is: 214,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,101.40 : 747,071.91 = 143,034.66 : x
  2. Step 2: Convert to fraction form
    498,101.40/747,071.91 = 143,034.66/x
  3. Step 3: Cross multiply
    498,101.40x = 747,071.91 × 143,034.66
  4. Step 4: Simplify right side
    498,101.40x = 106,857,176,642.40
  5. Step 5: Solve for x
    x = 106,857,176,642.40/498,101.40
  6. Step 6: Final answer
    x = 214,528.96

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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.