Home / 307,520.15-461,342.49-130,026.87

Finding the Fourth Proportional to 307,520.15, 461,342.49 and 130,026.87

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Solution

The fourth proportional to 307,520.15, 461,342.49 and 130,026.87 is: 195,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,520.15 : 461,342.49 = 130,026.87 : x
  2. Step 2: Convert to fraction form
    307,520.15/461,342.49 = 130,026.87/x
  3. Step 3: Cross multiply
    307,520.15x = 461,342.49 × 130,026.87
  4. Step 4: Simplify right side
    307,520.15x = 59,986,919,972.71
  5. Step 5: Solve for x
    x = 59,986,919,972.71/307,520.15
  6. Step 6: Final answer
    x = 195,066.63

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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.