Home / 307,945.31-424,943.36-170,118.14

Finding the Fourth Proportional to 307,945.31, 424,943.36 and 170,118.14

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Solution

The fourth proportional to 307,945.31, 424,943.36 and 170,118.14 is: 234,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,945.31 : 424,943.36 = 170,118.14 : x
  2. Step 2: Convert to fraction form
    307,945.31/424,943.36 = 170,118.14/x
  3. Step 3: Cross multiply
    307,945.31x = 424,943.36 × 170,118.14
  4. Step 4: Simplify right side
    307,945.31x = 72,290,571,033.24
  5. Step 5: Solve for x
    x = 72,290,571,033.24/307,945.31
  6. Step 6: Final answer
    x = 234,751.33

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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.