Home / 279,659.16-385,935.60-152,334.48

Finding the Fourth Proportional to 279,659.16, 385,935.60 and 152,334.48

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Solution

The fourth proportional to 279,659.16, 385,935.60 and 152,334.48 is: 210,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,659.16 : 385,935.60 = 152,334.48 : x
  2. Step 2: Convert to fraction form
    279,659.16/385,935.60 = 152,334.48/x
  3. Step 3: Cross multiply
    279,659.16x = 385,935.60 × 152,334.48
  4. Step 4: Simplify right side
    279,659.16x = 58,791,298,939.49
  5. Step 5: Solve for x
    x = 58,791,298,939.49/279,659.16
  6. Step 6: Final answer
    x = 210,224.83

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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.