Home / 288,915.10-433,418.82-89,188.54

Finding the Fourth Proportional to 288,915.10, 433,418.82 and 89,188.54

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Solution

The fourth proportional to 288,915.10, 433,418.82 and 89,188.54 is: 133,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,915.10 : 433,418.82 = 89,188.54 : x
  2. Step 2: Convert to fraction form
    288,915.10/433,418.82 = 89,188.54/x
  3. Step 3: Cross multiply
    288,915.10x = 433,418.82 × 89,188.54
  4. Step 4: Simplify right side
    288,915.10x = 38,655,991,764.32
  5. Step 5: Solve for x
    x = 38,655,991,764.32/288,915.10
  6. Step 6: Final answer
    x = 133,797.06

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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.