Home / 398,925.18-550,462.23-229,159.26

Finding the Fourth Proportional to 398,925.18, 550,462.23 and 229,159.26

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Solution

The fourth proportional to 398,925.18, 550,462.23 and 229,159.26 is: 316,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,925.18 : 550,462.23 = 229,159.26 : x
  2. Step 2: Convert to fraction form
    398,925.18/550,462.23 = 229,159.26/x
  3. Step 3: Cross multiply
    398,925.18x = 550,462.23 × 229,159.26
  4. Step 4: Simplify right side
    398,925.18x = 126,143,517,284.75
  5. Step 5: Solve for x
    x = 126,143,517,284.75/398,925.18
  6. Step 6: Final answer
    x = 316,208.46

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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.