Home / 253,134.71-379,514.60-153,271.43

Finding the Fourth Proportional to 253,134.71, 379,514.60 and 153,271.43

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Solution

The fourth proportional to 253,134.71, 379,514.60 and 153,271.43 is: 229,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,134.71 : 379,514.60 = 153,271.43 : x
  2. Step 2: Convert to fraction form
    253,134.71/379,514.60 = 153,271.43/x
  3. Step 3: Cross multiply
    253,134.71x = 379,514.60 × 153,271.43
  4. Step 4: Simplify right side
    253,134.71x = 58,168,744,681.52
  5. Step 5: Solve for x
    x = 58,168,744,681.52/253,134.71
  6. Step 6: Final answer
    x = 229,793.63

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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.