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Finding the Fourth Proportional to 243,342.86, 365,014.33 and 91,568.51

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Solution

The fourth proportional to 243,342.86, 365,014.33 and 91,568.51 is: 137,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,342.86 : 365,014.33 = 91,568.51 : x
  2. Step 2: Convert to fraction form
    243,342.86/365,014.33 = 91,568.51/x
  3. Step 3: Cross multiply
    243,342.86x = 365,014.33 × 91,568.51
  4. Step 4: Simplify right side
    243,342.86x = 33,423,818,326.75
  5. Step 5: Solve for x
    x = 33,423,818,326.75/243,342.86
  6. Step 6: Final answer
    x = 137,352.78

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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.