Home / 327,071.80-490,666.02-90,409.24

Finding the Fourth Proportional to 327,071.80, 490,666.02 and 90,409.24

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Solution

The fourth proportional to 327,071.80, 490,666.02 and 90,409.24 is: 135,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,071.80 : 490,666.02 = 90,409.24 : x
  2. Step 2: Convert to fraction form
    327,071.80/490,666.02 = 90,409.24/x
  3. Step 3: Cross multiply
    327,071.80x = 490,666.02 × 90,409.24
  4. Step 4: Simplify right side
    327,071.80x = 44,360,741,962.02
  5. Step 5: Solve for x
    x = 44,360,741,962.02/327,071.80
  6. Step 6: Final answer
    x = 135,629.98

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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.