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Finding the Fourth Proportional to 665,250.30, 998,209.71 and 310,292.10

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Solution

The fourth proportional to 665,250.30, 998,209.71 and 310,292.10 is: 465,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,250.30 : 998,209.71 = 310,292.10 : x
  2. Step 2: Convert to fraction form
    665,250.30/998,209.71 = 310,292.10/x
  3. Step 3: Cross multiply
    665,250.30x = 998,209.71 × 310,292.10
  4. Step 4: Simplify right side
    665,250.30x = 309,736,587,156.29
  5. Step 5: Solve for x
    x = 309,736,587,156.29/665,250.30
  6. Step 6: Final answer
    x = 465,594.06

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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.