Home / 253,271.15-379,718.10-153,407.27

Finding the Fourth Proportional to 253,271.15, 379,718.10 and 153,407.27

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Solution

The fourth proportional to 253,271.15, 379,718.10 and 153,407.27 is: 229,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,271.15 : 379,718.10 = 153,407.27 : x
  2. Step 2: Convert to fraction form
    253,271.15/379,718.10 = 153,407.27/x
  3. Step 3: Cross multiply
    253,271.15x = 379,718.10 × 153,407.27
  4. Step 4: Simplify right side
    253,271.15x = 58,251,516,335.43
  5. Step 5: Solve for x
    x = 58,251,516,335.43/253,271.15
  6. Step 6: Final answer
    x = 229,996.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.