Home / 279,817.38-386,156.16-152,501.19

Finding the Fourth Proportional to 279,817.38, 386,156.16 and 152,501.19

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Solution

The fourth proportional to 279,817.38, 386,156.16 and 152,501.19 is: 210,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,817.38 : 386,156.16 = 152,501.19 : x
  2. Step 2: Convert to fraction form
    279,817.38/386,156.16 = 152,501.19/x
  3. Step 3: Cross multiply
    279,817.38x = 386,156.16 × 152,501.19
  4. Step 4: Simplify right side
    279,817.38x = 58,889,273,925.83
  5. Step 5: Solve for x
    x = 58,889,273,925.83/279,817.38
  6. Step 6: Final answer
    x = 210,456.10

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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.