Home / 288,166.60-432,314.22-88,507.18

Finding the Fourth Proportional to 288,166.60, 432,314.22 and 88,507.18

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Solution

The fourth proportional to 288,166.60, 432,314.22 and 88,507.18 is: 132,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,166.60 : 432,314.22 = 88,507.18 : x
  2. Step 2: Convert to fraction form
    288,166.60/432,314.22 = 88,507.18/x
  3. Step 3: Cross multiply
    288,166.60x = 432,314.22 × 88,507.18
  4. Step 4: Simplify right side
    288,166.60x = 38,262,912,486.10
  5. Step 5: Solve for x
    x = 38,262,912,486.10/288,166.60
  6. Step 6: Final answer
    x = 132,780.53

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1.5x scale

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.