Home / 288,451.16-432,677.07-75,218.88

Finding the Fourth Proportional to 288,451.16, 432,677.07 and 75,218.88

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Solution

The fourth proportional to 288,451.16, 432,677.07 and 75,218.88 is: 112,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,451.16 : 432,677.07 = 75,218.88 : x
  2. Step 2: Convert to fraction form
    288,451.16/432,677.07 = 75,218.88/x
  3. Step 3: Cross multiply
    288,451.16x = 432,677.07 × 75,218.88
  4. Step 4: Simplify right side
    288,451.16x = 32,545,484,607.08
  5. Step 5: Solve for x
    x = 32,545,484,607.08/288,451.16
  6. Step 6: Final answer
    x = 112,828.41

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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.