Home / 344,580.16-516,829.20-91,879.60

Finding the Fourth Proportional to 344,580.16, 516,829.20 and 91,879.60

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Solution

The fourth proportional to 344,580.16, 516,829.20 and 91,879.60 is: 137,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,580.16 : 516,829.20 = 91,879.60 : x
  2. Step 2: Convert to fraction form
    344,580.16/516,829.20 = 91,879.60/x
  3. Step 3: Cross multiply
    344,580.16x = 516,829.20 × 91,879.60
  4. Step 4: Simplify right side
    344,580.16x = 47,486,060,164.32
  5. Step 5: Solve for x
    x = 47,486,060,164.32/344,580.16
  6. Step 6: Final answer
    x = 137,808.46

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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.