Home / 307,958.10-461,937.15-223,321.20

Finding the Fourth Proportional to 307,958.10, 461,937.15 and 223,321.20

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Solution

The fourth proportional to 307,958.10, 461,937.15 and 223,321.20 is: 334,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,958.10 : 461,937.15 = 223,321.20 : x
  2. Step 2: Convert to fraction form
    307,958.10/461,937.15 = 223,321.20/x
  3. Step 3: Cross multiply
    307,958.10x = 461,937.15 × 223,321.20
  4. Step 4: Simplify right side
    307,958.10x = 103,160,358,662.58
  5. Step 5: Solve for x
    x = 103,160,358,662.58/307,958.10
  6. Step 6: Final answer
    x = 334,981.80

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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.