Home / 411,366.20-617,110.86-130,946.36

Finding the Fourth Proportional to 411,366.20, 617,110.86 and 130,946.36

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Solution

The fourth proportional to 411,366.20, 617,110.86 and 130,946.36 is: 196,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,366.20 : 617,110.86 = 130,946.36 : x
  2. Step 2: Convert to fraction form
    411,366.20/617,110.86 = 130,946.36/x
  3. Step 3: Cross multiply
    411,366.20x = 617,110.86 × 130,946.36
  4. Step 4: Simplify right side
    411,366.20x = 80,808,420,833.47
  5. Step 5: Solve for x
    x = 80,808,420,833.47/411,366.20
  6. Step 6: Final answer
    x = 196,439.14

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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.