Home / 399,052.35-550,647.14-229,341.15

Finding the Fourth Proportional to 399,052.35, 550,647.14 and 229,341.15

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Solution

The fourth proportional to 399,052.35, 550,647.14 and 229,341.15 is: 316,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,052.35 : 550,647.14 = 229,341.15 : x
  2. Step 2: Convert to fraction form
    399,052.35/550,647.14 = 229,341.15/x
  3. Step 3: Cross multiply
    399,052.35x = 550,647.14 × 229,341.15
  4. Step 4: Simplify right side
    399,052.35x = 126,286,048,331.81
  5. Step 5: Solve for x
    x = 126,286,048,331.81/399,052.35
  6. Step 6: Final answer
    x = 316,464.87

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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.