Home / 279,925.38-386,302.05-152,606.34

Finding the Fourth Proportional to 279,925.38, 386,302.05 and 152,606.34

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Solution

The fourth proportional to 279,925.38, 386,302.05 and 152,606.34 is: 210,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,925.38 : 386,302.05 = 152,606.34 : x
  2. Step 2: Convert to fraction form
    279,925.38/386,302.05 = 152,606.34/x
  3. Step 3: Cross multiply
    279,925.38x = 386,302.05 × 152,606.34
  4. Step 4: Simplify right side
    279,925.38x = 58,952,141,985.00
  5. Step 5: Solve for x
    x = 58,952,141,985.00/279,925.38
  6. Step 6: Final answer
    x = 210,599.49

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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.