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Finding the Fourth Proportional to 272,059.52, 375,399.24 and 157,295.48

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Solution

The fourth proportional to 272,059.52, 375,399.24 and 157,295.48 is: 217,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059.52 : 375,399.24 = 157,295.48 : x
  2. Step 2: Convert to fraction form
    272,059.52/375,399.24 = 157,295.48/x
  3. Step 3: Cross multiply
    272,059.52x = 375,399.24 × 157,295.48
  4. Step 4: Simplify right side
    272,059.52x = 59,048,603,647.44
  5. Step 5: Solve for x
    x = 59,048,603,647.44/272,059.52
  6. Step 6: Final answer
    x = 217,042.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.