Home / 307,516.28-461,336.68-130,023

Finding the Fourth Proportional to 307,516.28, 461,336.68 and 130,023

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Solution

The fourth proportional to 307,516.28, 461,336.68 and 130,023 is: 195,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,516.28 : 461,336.68 = 130,023 : x
  2. Step 2: Convert to fraction form
    307,516.28/461,336.68 = 130,023/x
  3. Step 3: Cross multiply
    307,516.28x = 461,336.68 × 130,023
  4. Step 4: Simplify right side
    307,516.28x = 59,984,379,143.64
  5. Step 5: Solve for x
    x = 59,984,379,143.64/307,516.28
  6. Step 6: Final answer
    x = 195,060.82

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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.