Home / 526,320.81-789,531.26-147,241.53

Finding the Fourth Proportional to 526,320.81, 789,531.26 and 147,241.53

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Solution

The fourth proportional to 526,320.81, 789,531.26 and 147,241.53 is: 220,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,320.81 : 789,531.26 = 147,241.53 : x
  2. Step 2: Convert to fraction form
    526,320.81/789,531.26 = 147,241.53/x
  3. Step 3: Cross multiply
    526,320.81x = 789,531.26 × 147,241.53
  4. Step 4: Simplify right side
    526,320.81x = 116,251,789,969.02
  5. Step 5: Solve for x
    x = 116,251,789,969.02/526,320.81
  6. Step 6: Final answer
    x = 220,876.29

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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.