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Finding the Fourth Proportional to 364,040.20, 546,060.30 and 325,986.40

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Solution

The fourth proportional to 364,040.20, 546,060.30 and 325,986.40 is: 488,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,040.20 : 546,060.30 = 325,986.40 : x
  2. Step 2: Convert to fraction form
    364,040.20/546,060.30 = 325,986.40/x
  3. Step 3: Cross multiply
    364,040.20x = 546,060.30 × 325,986.40
  4. Step 4: Simplify right side
    364,040.20x = 178,008,231,379.92
  5. Step 5: Solve for x
    x = 178,008,231,379.92/364,040.20
  6. Step 6: Final answer
    x = 488,979.60

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Similar ratio
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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.