Home / 288,581.48-432,915.28-88,885.15

Finding the Fourth Proportional to 288,581.48, 432,915.28 and 88,885.15

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Solution

The fourth proportional to 288,581.48, 432,915.28 and 88,885.15 is: 133,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,581.48 : 432,915.28 = 88,885.15 : x
  2. Step 2: Convert to fraction form
    288,581.48/432,915.28 = 88,885.15/x
  3. Step 3: Cross multiply
    288,581.48x = 432,915.28 × 88,885.15
  4. Step 4: Simplify right side
    288,581.48x = 38,479,738,795.57
  5. Step 5: Solve for x
    x = 38,479,738,795.57/288,581.48
  6. Step 6: Final answer
    x = 133,340.98

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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.