Home / 307,730.24-424,684.32-173,591.36

Finding the Fourth Proportional to 307,730.24, 424,684.32 and 173,591.36

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Solution

The fourth proportional to 307,730.24, 424,684.32 and 173,591.36 is: 239,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,730.24 : 424,684.32 = 173,591.36 : x
  2. Step 2: Convert to fraction form
    307,730.24/424,684.32 = 173,591.36/x
  3. Step 3: Cross multiply
    307,730.24x = 424,684.32 × 173,591.36
  4. Step 4: Simplify right side
    307,730.24x = 73,721,528,679.48
  5. Step 5: Solve for x
    x = 73,721,528,679.48/307,730.24
  6. Step 6: Final answer
    x = 239,565.43

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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.