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Finding the Fourth Proportional to 466,169.76, 643,132.08 and 262,173.89

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Solution

The fourth proportional to 466,169.76, 643,132.08 and 262,173.89 is: 361,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,169.76 : 643,132.08 = 262,173.89 : x
  2. Step 2: Convert to fraction form
    466,169.76/643,132.08 = 262,173.89/x
  3. Step 3: Cross multiply
    466,169.76x = 643,132.08 × 262,173.89
  4. Step 4: Simplify right side
    466,169.76x = 168,612,440,805.22
  5. Step 5: Solve for x
    x = 168,612,440,805.22/466,169.76
  6. Step 6: Final answer
    x = 361,697.51

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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.