Home / 279,659.91-385,936.64-152,335.23

Finding the Fourth Proportional to 279,659.91, 385,936.64 and 152,335.23

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Solution

The fourth proportional to 279,659.91, 385,936.64 and 152,335.23 is: 210,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,659.91 : 385,936.64 = 152,335.23 : x
  2. Step 2: Convert to fraction form
    279,659.91/385,936.64 = 152,335.23/x
  3. Step 3: Cross multiply
    279,659.91x = 385,936.64 × 152,335.23
  4. Step 4: Simplify right side
    279,659.91x = 58,791,746,058.15
  5. Step 5: Solve for x
    x = 58,791,746,058.15/279,659.91
  6. Step 6: Final answer
    x = 210,225.86

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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.