Home / 288,051.12-397,330.92-207,350.82

Finding the Fourth Proportional to 288,051.12, 397,330.92 and 207,350.82

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Solution

The fourth proportional to 288,051.12, 397,330.92 and 207,350.82 is: 286,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,051.12 : 397,330.92 = 207,350.82 : x
  2. Step 2: Convert to fraction form
    288,051.12/397,330.92 = 207,350.82/x
  3. Step 3: Cross multiply
    288,051.12x = 397,330.92 × 207,350.82
  4. Step 4: Simplify right side
    288,051.12x = 82,386,892,073.35
  5. Step 5: Solve for x
    x = 82,386,892,073.35/288,051.12
  6. Step 6: Final answer
    x = 286,014.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.