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Finding the Fourth Proportional to 486,501.48, 729,454.14 and 170,994.60

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Solution

The fourth proportional to 486,501.48, 729,454.14 and 170,994.60 is: 256,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,501.48 : 729,454.14 = 170,994.60 : x
  2. Step 2: Convert to fraction form
    486,501.48/729,454.14 = 170,994.60/x
  3. Step 3: Cross multiply
    486,501.48x = 729,454.14 × 170,994.60
  4. Step 4: Simplify right side
    486,501.48x = 124,732,718,887.64
  5. Step 5: Solve for x
    x = 124,732,718,887.64/486,501.48
  6. Step 6: Final answer
    x = 256,387.13

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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.