Home / 208,979.29-288,479.69-141,088.22

Finding the Fourth Proportional to 208,979.29, 288,479.69 and 141,088.22

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Solution

The fourth proportional to 208,979.29, 288,479.69 and 141,088.22 is: 194,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,979.29 : 288,479.69 = 141,088.22 : x
  2. Step 2: Convert to fraction form
    208,979.29/288,479.69 = 141,088.22/x
  3. Step 3: Cross multiply
    208,979.29x = 288,479.69 × 141,088.22
  4. Step 4: Simplify right side
    208,979.29x = 40,701,084,878.57
  5. Step 5: Solve for x
    x = 40,701,084,878.57/208,979.29
  6. Step 6: Final answer
    x = 194,761.33

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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.