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Finding the Fourth Proportional to 157,019.88, 235,494.45 and 44,697.62

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Solution

The fourth proportional to 157,019.88, 235,494.45 and 44,697.62 is: 67,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,019.88 : 235,494.45 = 44,697.62 : x
  2. Step 2: Convert to fraction form
    157,019.88/235,494.45 = 44,697.62/x
  3. Step 3: Cross multiply
    157,019.88x = 235,494.45 × 44,697.62
  4. Step 4: Simplify right side
    157,019.88x = 10,526,040,260.74
  5. Step 5: Solve for x
    x = 10,526,040,260.74/157,019.88
  6. Step 6: Final answer
    x = 67,036.35

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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.