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Finding the Fourth Proportional to 151,999.88, 227,988.30 and 53,434.76

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Solution

The fourth proportional to 151,999.88, 227,988.30 and 53,434.76 is: 80,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,999.88 : 227,988.30 = 53,434.76 : x
  2. Step 2: Convert to fraction form
    151,999.88/227,988.30 = 53,434.76/x
  3. Step 3: Cross multiply
    151,999.88x = 227,988.30 × 53,434.76
  4. Step 4: Simplify right side
    151,999.88x = 12,182,500,093.31
  5. Step 5: Solve for x
    x = 12,182,500,093.31/151,999.88
  6. Step 6: Final answer
    x = 80,148.09

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1.5x scale

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.