Home / 279,270.56-385,381.86-151,946.66

Finding the Fourth Proportional to 279,270.56, 385,381.86 and 151,946.66

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Solution

The fourth proportional to 279,270.56, 385,381.86 and 151,946.66 is: 209,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,270.56 : 385,381.86 = 151,946.66 : x
  2. Step 2: Convert to fraction form
    279,270.56/385,381.86 = 151,946.66/x
  3. Step 3: Cross multiply
    279,270.56x = 385,381.86 × 151,946.66
  4. Step 4: Simplify right side
    279,270.56x = 58,557,486,451.59
  5. Step 5: Solve for x
    x = 58,557,486,451.59/279,270.56
  6. Step 6: Final answer
    x = 209,680.13

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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.