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Finding the Fourth Proportional to 307,622.92, 461,431.50 and 97,260.88

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Solution

The fourth proportional to 307,622.92, 461,431.50 and 97,260.88 is: 145,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622.92 : 461,431.50 = 97,260.88 : x
  2. Step 2: Convert to fraction form
    307,622.92/461,431.50 = 97,260.88/x
  3. Step 3: Cross multiply
    307,622.92x = 461,431.50 × 97,260.88
  4. Step 4: Simplify right side
    307,622.92x = 44,879,233,749.72
  5. Step 5: Solve for x
    x = 44,879,233,749.72/307,622.92
  6. Step 6: Final answer
    x = 145,890.41

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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.