Home / 411,673.32-617,498.46-131,207.40

Finding the Fourth Proportional to 411,673.32, 617,498.46 and 131,207.40

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Solution

The fourth proportional to 411,673.32, 617,498.46 and 131,207.40 is: 196,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,673.32 : 617,498.46 = 131,207.40 : x
  2. Step 2: Convert to fraction form
    411,673.32/617,498.46 = 131,207.40/x
  3. Step 3: Cross multiply
    411,673.32x = 617,498.46 × 131,207.40
  4. Step 4: Simplify right side
    411,673.32x = 81,020,367,440.60
  5. Step 5: Solve for x
    x = 81,020,367,440.60/411,673.32
  6. Step 6: Final answer
    x = 196,807.43

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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.