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Finding the Fourth Proportional to 240,249.60, 359,833.12 and 186,513.80

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Solution

The fourth proportional to 240,249.60, 359,833.12 and 186,513.80 is: 279,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,249.60 : 359,833.12 = 186,513.80 : x
  2. Step 2: Convert to fraction form
    240,249.60/359,833.12 = 186,513.80/x
  3. Step 3: Cross multiply
    240,249.60x = 359,833.12 × 186,513.80
  4. Step 4: Simplify right side
    240,249.60x = 67,113,842,577.06
  5. Step 5: Solve for x
    x = 67,113,842,577.06/240,249.60
  6. Step 6: Final answer
    x = 279,350.49

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1.5x scale

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.