Home / 208,867.38-288,237.33-113,374.05

Finding the Fourth Proportional to 208,867.38, 288,237.33 and 113,374.05

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Solution

The fourth proportional to 208,867.38, 288,237.33 and 113,374.05 is: 156,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,867.38 : 288,237.33 = 113,374.05 : x
  2. Step 2: Convert to fraction form
    208,867.38/288,237.33 = 113,374.05/x
  3. Step 3: Cross multiply
    208,867.38x = 288,237.33 × 113,374.05
  4. Step 4: Simplify right side
    208,867.38x = 32,678,633,463.29
  5. Step 5: Solve for x
    x = 32,678,633,463.29/208,867.38
  6. Step 6: Final answer
    x = 156,456.38

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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.