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Finding the Fourth Proportional to 288,449.66, 432,674.82 and 75,217.38

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Solution

The fourth proportional to 288,449.66, 432,674.82 and 75,217.38 is: 112,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,449.66 : 432,674.82 = 75,217.38 : x
  2. Step 2: Convert to fraction form
    288,449.66/432,674.82 = 75,217.38/x
  3. Step 3: Cross multiply
    288,449.66x = 432,674.82 × 75,217.38
  4. Step 4: Simplify right side
    288,449.66x = 32,544,666,352.37
  5. Step 5: Solve for x
    x = 32,544,666,352.37/288,449.66
  6. Step 6: Final answer
    x = 112,826.16

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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.