Home / 449,740.80-674,222.40-272,059.20

Finding the Fourth Proportional to 449,740.80, 674,222.40 and 272,059.20

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Solution

The fourth proportional to 449,740.80, 674,222.40 and 272,059.20 is: 407,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,740.80 : 674,222.40 = 272,059.20 : x
  2. Step 2: Convert to fraction form
    449,740.80/674,222.40 = 272,059.20/x
  3. Step 3: Cross multiply
    449,740.80x = 674,222.40 × 272,059.20
  4. Step 4: Simplify right side
    449,740.80x = 183,428,406,766.08
  5. Step 5: Solve for x
    x = 183,428,406,766.08/449,740.80
  6. Step 6: Final answer
    x = 407,853.61

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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.