Home / 288,314.04-432,512.40-88,651.20

Finding the Fourth Proportional to 288,314.04, 432,512.40 and 88,651.20

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Solution

The fourth proportional to 288,314.04, 432,512.40 and 88,651.20 is: 132,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,314.04 : 432,512.40 = 88,651.20 : x
  2. Step 2: Convert to fraction form
    288,314.04/432,512.40 = 88,651.20/x
  3. Step 3: Cross multiply
    288,314.04x = 432,512.40 × 88,651.20
  4. Step 4: Simplify right side
    288,314.04x = 38,342,743,274.88
  5. Step 5: Solve for x
    x = 38,342,743,274.88/288,314.04
  6. Step 6: Final answer
    x = 132,989.51

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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.