Home / 252,685.14-348,248.78-209,436.87

Finding the Fourth Proportional to 252,685.14, 348,248.78 and 209,436.87

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Solution

The fourth proportional to 252,685.14, 348,248.78 and 209,436.87 is: 288,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,685.14 : 348,248.78 = 209,436.87 : x
  2. Step 2: Convert to fraction form
    252,685.14/348,248.78 = 209,436.87/x
  3. Step 3: Cross multiply
    252,685.14x = 348,248.78 × 209,436.87
  4. Step 4: Simplify right side
    252,685.14x = 72,936,133,417.33
  5. Step 5: Solve for x
    x = 72,936,133,417.33/252,685.14
  6. Step 6: Final answer
    x = 288,644.33

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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.