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Finding the Fourth Proportional to 307,309.52, 460,959.69 and 187,401.71

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Solution

The fourth proportional to 307,309.52, 460,959.69 and 187,401.71 is: 281,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,309.52 : 460,959.69 = 187,401.71 : x
  2. Step 2: Convert to fraction form
    307,309.52/460,959.69 = 187,401.71/x
  3. Step 3: Cross multiply
    307,309.52x = 460,959.69 × 187,401.71
  4. Step 4: Simplify right side
    307,309.52x = 86,384,634,147.07
  5. Step 5: Solve for x
    x = 86,384,634,147.07/307,309.52
  6. Step 6: Final answer
    x = 281,099.77

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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.