Home / 208,979.91-288,480.55-141,088.83

Finding the Fourth Proportional to 208,979.91, 288,480.55 and 141,088.83

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Solution

The fourth proportional to 208,979.91, 288,480.55 and 141,088.83 is: 194,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,979.91 : 288,480.55 = 141,088.83 : x
  2. Step 2: Convert to fraction form
    208,979.91/288,480.55 = 141,088.83/x
  3. Step 3: Cross multiply
    208,979.91x = 288,480.55 × 141,088.83
  4. Step 4: Simplify right side
    208,979.91x = 40,701,383,293.01
  5. Step 5: Solve for x
    x = 40,701,383,293.01/208,979.91
  6. Step 6: Final answer
    x = 194,762.19

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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.