Home / 486,973.26-730,459.88-131,987.27

Finding the Fourth Proportional to 486,973.26, 730,459.88 and 131,987.27

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Solution

The fourth proportional to 486,973.26, 730,459.88 and 131,987.27 is: 197,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,973.26 : 730,459.88 = 131,987.27 : x
  2. Step 2: Convert to fraction form
    486,973.26/730,459.88 = 131,987.27/x
  3. Step 3: Cross multiply
    486,973.26x = 730,459.88 × 131,987.27
  4. Step 4: Simplify right side
    486,973.26x = 96,411,405,405.73
  5. Step 5: Solve for x
    x = 96,411,405,405.73/486,973.26
  6. Step 6: Final answer
    x = 197,980.90

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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.