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Finding the Fourth Proportional to 248,576.01, 372,574.77 and 142,034.59

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Solution

The fourth proportional to 248,576.01, 372,574.77 and 142,034.59 is: 212,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,576.01 : 372,574.77 = 142,034.59 : x
  2. Step 2: Convert to fraction form
    248,576.01/372,574.77 = 142,034.59/x
  3. Step 3: Cross multiply
    248,576.01x = 372,574.77 × 142,034.59
  4. Step 4: Simplify right side
    248,576.01x = 52,918,504,701.29
  5. Step 5: Solve for x
    x = 52,918,504,701.29/248,576.01
  6. Step 6: Final answer
    x = 212,886.61

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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.