Home / 208,979.59-288,480.12-141,088.52

Finding the Fourth Proportional to 208,979.59, 288,480.12 and 141,088.52

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Solution

The fourth proportional to 208,979.59, 288,480.12 and 141,088.52 is: 194,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,979.59 : 288,480.12 = 141,088.52 : x
  2. Step 2: Convert to fraction form
    208,979.59/288,480.12 = 141,088.52/x
  3. Step 3: Cross multiply
    208,979.59x = 288,480.12 × 141,088.52
  4. Step 4: Simplify right side
    208,979.59x = 40,701,233,372.34
  5. Step 5: Solve for x
    x = 40,701,233,372.34/208,979.59
  6. Step 6: Final answer
    x = 194,761.76

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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.