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Finding the Fourth Proportional to 359,474.56, 539,138.03 and 169,854.37

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Solution

The fourth proportional to 359,474.56, 539,138.03 and 169,854.37 is: 254,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,474.56 : 539,138.03 = 169,854.37 : x
  2. Step 2: Convert to fraction form
    359,474.56/539,138.03 = 169,854.37/x
  3. Step 3: Cross multiply
    359,474.56x = 539,138.03 × 169,854.37
  4. Step 4: Simplify right side
    359,474.56x = 91,574,948,231.57
  5. Step 5: Solve for x
    x = 91,574,948,231.57/359,474.56
  6. Step 6: Final answer
    x = 254,746.67

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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.