Home / 307,946.10-461,919.15-223,309.20

Finding the Fourth Proportional to 307,946.10, 461,919.15 and 223,309.20

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Solution

The fourth proportional to 307,946.10, 461,919.15 and 223,309.20 is: 334,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,946.10 : 461,919.15 = 223,309.20 : x
  2. Step 2: Convert to fraction form
    307,946.10/461,919.15 = 223,309.20/x
  3. Step 3: Cross multiply
    307,946.10x = 461,919.15 × 223,309.20
  4. Step 4: Simplify right side
    307,946.10x = 103,150,795,851.18
  5. Step 5: Solve for x
    x = 103,150,795,851.18/307,946.10
  6. Step 6: Final answer
    x = 334,963.80

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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.