Home / 307,947.34-424,963.15-171,983.71

Finding the Fourth Proportional to 307,947.34, 424,963.15 and 171,983.71

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Solution

The fourth proportional to 307,947.34, 424,963.15 and 171,983.71 is: 237,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,947.34 : 424,963.15 = 171,983.71 : x
  2. Step 2: Convert to fraction form
    307,947.34/424,963.15 = 171,983.71/x
  3. Step 3: Cross multiply
    307,947.34x = 424,963.15 × 171,983.71
  4. Step 4: Simplify right side
    307,947.34x = 73,086,739,150.29
  5. Step 5: Solve for x
    x = 73,086,739,150.29/307,947.34
  6. Step 6: Final answer
    x = 237,335.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.