Home / 502,870.13-754,350.79-165,911.75

Finding the Fourth Proportional to 502,870.13, 754,350.79 and 165,911.75

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Solution

The fourth proportional to 502,870.13, 754,350.79 and 165,911.75 is: 248,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,870.13 : 754,350.79 = 165,911.75 : x
  2. Step 2: Convert to fraction form
    502,870.13/754,350.79 = 165,911.75/x
  3. Step 3: Cross multiply
    502,870.13x = 754,350.79 × 165,911.75
  4. Step 4: Simplify right side
    502,870.13x = 125,155,659,682.78
  5. Step 5: Solve for x
    x = 125,155,659,682.78/502,870.13
  6. Step 6: Final answer
    x = 248,882.67

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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.