Home / 307,947.60-461,921.40-223,310.70

Finding the Fourth Proportional to 307,947.60, 461,921.40 and 223,310.70

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Solution

The fourth proportional to 307,947.60, 461,921.40 and 223,310.70 is: 334,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,947.60 : 461,921.40 = 223,310.70 : x
  2. Step 2: Convert to fraction form
    307,947.60/461,921.40 = 223,310.70/x
  3. Step 3: Cross multiply
    307,947.60x = 461,921.40 × 223,310.70
  4. Step 4: Simplify right side
    307,947.60x = 103,151,991,178.98
  5. Step 5: Solve for x
    x = 103,151,991,178.98/307,947.60
  6. Step 6: Final answer
    x = 334,966.05

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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.