Home / 205,869.59-284,035.27-115,211.15

Finding the Fourth Proportional to 205,869.59, 284,035.27 and 115,211.15

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Solution

The fourth proportional to 205,869.59, 284,035.27 and 115,211.15 is: 158,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869.59 : 284,035.27 = 115,211.15 : x
  2. Step 2: Convert to fraction form
    205,869.59/284,035.27 = 115,211.15/x
  3. Step 3: Cross multiply
    205,869.59x = 284,035.27 × 115,211.15
  4. Step 4: Simplify right side
    205,869.59x = 32,724,028,677.08
  5. Step 5: Solve for x
    x = 32,724,028,677.08/205,869.59
  6. Step 6: Final answer
    x = 158,955.14

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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.