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Finding the Fourth Proportional to 307,400.20, 461,100.30 and 207,016.90

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Solution

The fourth proportional to 307,400.20, 461,100.30 and 207,016.90 is: 310,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,400.20 : 461,100.30 = 207,016.90 : x
  2. Step 2: Convert to fraction form
    307,400.20/461,100.30 = 207,016.90/x
  3. Step 3: Cross multiply
    307,400.20x = 461,100.30 × 207,016.90
  4. Step 4: Simplify right side
    307,400.20x = 95,455,554,695.07
  5. Step 5: Solve for x
    x = 95,455,554,695.07/307,400.20
  6. Step 6: Final answer
    x = 310,525.35

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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.