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Finding the Fourth Proportional to 438,994.79, 658,492.00 and 123,451.68

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Solution

The fourth proportional to 438,994.79, 658,492.00 and 123,451.68 is: 185,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,994.79 : 658,492.00 = 123,451.68 : x
  2. Step 2: Convert to fraction form
    438,994.79/658,492.00 = 123,451.68/x
  3. Step 3: Cross multiply
    438,994.79x = 658,492.00 × 123,451.68
  4. Step 4: Simplify right side
    438,994.79x = 81,291,943,357.93
  5. Step 5: Solve for x
    x = 81,291,943,357.93/438,994.79
  6. Step 6: Final answer
    x = 185,177.47

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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.