Home / 344,223.20-516,334.80-107,638.40

Finding the Fourth Proportional to 344,223.20, 516,334.80 and 107,638.40

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Solution

The fourth proportional to 344,223.20, 516,334.80 and 107,638.40 is: 161,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,223.20 : 516,334.80 = 107,638.40 : x
  2. Step 2: Convert to fraction form
    344,223.20/516,334.80 = 107,638.40/x
  3. Step 3: Cross multiply
    344,223.20x = 516,334.80 × 107,638.40
  4. Step 4: Simplify right side
    344,223.20x = 55,577,451,736.32
  5. Step 5: Solve for x
    x = 55,577,451,736.32/344,223.20
  6. Step 6: Final answer
    x = 161,457.60

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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.