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Finding the Fourth Proportional to 605,357.58, 908,088.62 and 156,074.58

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Solution

The fourth proportional to 605,357.58, 908,088.62 and 156,074.58 is: 234,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,357.58 : 908,088.62 = 156,074.58 : x
  2. Step 2: Convert to fraction form
    605,357.58/908,088.62 = 156,074.58/x
  3. Step 3: Cross multiply
    605,357.58x = 908,088.62 × 156,074.58
  4. Step 4: Simplify right side
    605,357.58x = 141,729,549,188.91
  5. Step 5: Solve for x
    x = 141,729,549,188.91/605,357.58
  6. Step 6: Final answer
    x = 234,125.34

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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.