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Finding the Fourth Proportional to 298,350, 447,526.20 and 120,860.36

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Solution

The fourth proportional to 298,350, 447,526.20 and 120,860.36 is: 181,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,350 : 447,526.20 = 120,860.36 : x
  2. Step 2: Convert to fraction form
    298,350/447,526.20 = 120,860.36/x
  3. Step 3: Cross multiply
    298,350x = 447,526.20 × 120,860.36
  4. Step 4: Simplify right side
    298,350x = 54,088,177,641.43
  5. Step 5: Solve for x
    x = 54,088,177,641.43/298,350
  6. Step 6: Final answer
    x = 181,291.03

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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.