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Finding the Fourth Proportional to 483,125.73, 666,775.01 and 292,140.48

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Solution

The fourth proportional to 483,125.73, 666,775.01 and 292,140.48 is: 403,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,125.73 : 666,775.01 = 292,140.48 : x
  2. Step 2: Convert to fraction form
    483,125.73/666,775.01 = 292,140.48/x
  3. Step 3: Cross multiply
    483,125.73x = 666,775.01 × 292,140.48
  4. Step 4: Simplify right side
    483,125.73x = 194,791,970,012.70
  5. Step 5: Solve for x
    x = 194,791,970,012.70/483,125.73
  6. Step 6: Final answer
    x = 403,191.05

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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.