Home / 288,584.19-432,923.67-88,900.20

Finding the Fourth Proportional to 288,584.19, 432,923.67 and 88,900.20

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Solution

The fourth proportional to 288,584.19, 432,923.67 and 88,900.20 is: 133,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,584.19 : 432,923.67 = 88,900.20 : x
  2. Step 2: Convert to fraction form
    288,584.19/432,923.67 = 88,900.20/x
  3. Step 3: Cross multiply
    288,584.19x = 432,923.67 × 88,900.20
  4. Step 4: Simplify right side
    288,584.19x = 38,487,000,847.73
  5. Step 5: Solve for x
    x = 38,487,000,847.73/288,584.19
  6. Step 6: Final answer
    x = 133,364.90

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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.