Home / 526,261.86-789,272.08-147,209.42

Finding the Fourth Proportional to 526,261.86, 789,272.08 and 147,209.42

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Solution

The fourth proportional to 526,261.86, 789,272.08 and 147,209.42 is: 220,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,261.86 : 789,272.08 = 147,209.42 : x
  2. Step 2: Convert to fraction form
    526,261.86/789,272.08 = 147,209.42/x
  3. Step 3: Cross multiply
    526,261.86x = 789,272.08 × 147,209.42
  4. Step 4: Simplify right side
    526,261.86x = 116,188,286,724.15
  5. Step 5: Solve for x
    x = 116,188,286,724.15/526,261.86
  6. Step 6: Final answer
    x = 220,780.37

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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.