Home / 288,534.17-432,834.06-99,008.75

Finding the Fourth Proportional to 288,534.17, 432,834.06 and 99,008.75

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Solution

The fourth proportional to 288,534.17, 432,834.06 and 99,008.75 is: 148,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,534.17 : 432,834.06 = 99,008.75 : x
  2. Step 2: Convert to fraction form
    288,534.17/432,834.06 = 99,008.75/x
  3. Step 3: Cross multiply
    288,534.17x = 432,834.06 × 99,008.75
  4. Step 4: Simplify right side
    288,534.17x = 42,854,359,238.03
  5. Step 5: Solve for x
    x = 42,854,359,238.03/288,534.17
  6. Step 6: Final answer
    x = 148,524.38

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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.