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Finding the Fourth Proportional to 307,544.70, 461,230.65 and 97,247.10

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Solution

The fourth proportional to 307,544.70, 461,230.65 and 97,247.10 is: 145,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,544.70 : 461,230.65 = 97,247.10 : x
  2. Step 2: Convert to fraction form
    307,544.70/461,230.65 = 97,247.10/x
  3. Step 3: Cross multiply
    307,544.70x = 461,230.65 × 97,247.10
  4. Step 4: Simplify right side
    307,544.70x = 44,853,343,143.62
  5. Step 5: Solve for x
    x = 44,853,343,143.62/307,544.70
  6. Step 6: Final answer
    x = 145,843.33

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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.