Home / 307,728.47-424,665.79-171,762.41

Finding the Fourth Proportional to 307,728.47, 424,665.79 and 171,762.41

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Solution

The fourth proportional to 307,728.47, 424,665.79 and 171,762.41 is: 237,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,728.47 : 424,665.79 = 171,762.41 : x
  2. Step 2: Convert to fraction form
    307,728.47/424,665.79 = 171,762.41/x
  3. Step 3: Cross multiply
    307,728.47x = 424,665.79 × 171,762.41
  4. Step 4: Simplify right side
    307,728.47x = 72,941,620,167.21
  5. Step 5: Solve for x
    x = 72,941,620,167.21/307,728.47
  6. Step 6: Final answer
    x = 237,032.41

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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.