Home / 399,050.35-550,644.38-229,339.15

Finding the Fourth Proportional to 399,050.35, 550,644.38 and 229,339.15

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Solution

The fourth proportional to 399,050.35, 550,644.38 and 229,339.15 is: 316,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,050.35 : 550,644.38 = 229,339.15 : x
  2. Step 2: Convert to fraction form
    399,050.35/550,644.38 = 229,339.15/x
  3. Step 3: Cross multiply
    399,050.35x = 550,644.38 × 229,339.15
  4. Step 4: Simplify right side
    399,050.35x = 126,284,312,398.19
  5. Step 5: Solve for x
    x = 126,284,312,398.19/399,050.35
  6. Step 6: Final answer
    x = 316,462.10

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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.