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Finding the Fourth Proportional to 342,576.43, 513,899.20 and 117,907.28

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Solution

The fourth proportional to 342,576.43, 513,899.20 and 117,907.28 is: 176,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,576.43 : 513,899.20 = 117,907.28 : x
  2. Step 2: Convert to fraction form
    342,576.43/513,899.20 = 117,907.28/x
  3. Step 3: Cross multiply
    342,576.43x = 513,899.20 × 117,907.28
  4. Step 4: Simplify right side
    342,576.43x = 60,592,458,598.64
  5. Step 5: Solve for x
    x = 60,592,458,598.64/342,576.43
  6. Step 6: Final answer
    x = 176,872.82

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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.