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Finding the Fourth Proportional to 307,340.10, 461,010.15 and 223,687.35

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Solution

The fourth proportional to 307,340.10, 461,010.15 and 223,687.35 is: 335,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,340.10 : 461,010.15 = 223,687.35 : x
  2. Step 2: Convert to fraction form
    307,340.10/461,010.15 = 223,687.35/x
  3. Step 3: Cross multiply
    307,340.10x = 461,010.15 × 223,687.35
  4. Step 4: Simplify right side
    307,340.10x = 103,122,138,776.60
  5. Step 5: Solve for x
    x = 103,122,138,776.60/307,340.10
  6. Step 6: Final answer
    x = 335,531.03

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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.