Home / 298,060.04-447,287.02-140,333.60

Finding the Fourth Proportional to 298,060.04, 447,287.02 and 140,333.60

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Solution

The fourth proportional to 298,060.04, 447,287.02 and 140,333.60 is: 210,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,060.04 : 447,287.02 = 140,333.60 : x
  2. Step 2: Convert to fraction form
    298,060.04/447,287.02 = 140,333.60/x
  3. Step 3: Cross multiply
    298,060.04x = 447,287.02 × 140,333.60
  4. Step 4: Simplify right side
    298,060.04x = 62,769,397,749.87
  5. Step 5: Solve for x
    x = 62,769,397,749.87/298,060.04
  6. Step 6: Final answer
    x = 210,593.13

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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.