Home / 208,979.40-288,479.85-141,088.33

Finding the Fourth Proportional to 208,979.40, 288,479.85 and 141,088.33

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Solution

The fourth proportional to 208,979.40, 288,479.85 and 141,088.33 is: 194,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,979.40 : 288,479.85 = 141,088.33 : x
  2. Step 2: Convert to fraction form
    208,979.40/288,479.85 = 141,088.33/x
  3. Step 3: Cross multiply
    208,979.40x = 288,479.85 × 141,088.33
  4. Step 4: Simplify right side
    208,979.40x = 40,701,141,164.83
  5. Step 5: Solve for x
    x = 40,701,141,164.83/208,979.40
  6. Step 6: Final answer
    x = 194,761.50

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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.