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Finding the Fourth Proportional to 375,750.48, 518,535.96 and 203,668.20

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Solution

The fourth proportional to 375,750.48, 518,535.96 and 203,668.20 is: 281,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,750.48 : 518,535.96 = 203,668.20 : x
  2. Step 2: Convert to fraction form
    375,750.48/518,535.96 = 203,668.20/x
  3. Step 3: Cross multiply
    375,750.48x = 518,535.96 × 203,668.20
  4. Step 4: Simplify right side
    375,750.48x = 105,609,285,608.47
  5. Step 5: Solve for x
    x = 105,609,285,608.47/375,750.48
  6. Step 6: Final answer
    x = 281,062.28

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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.