Home / 307,946.80-424,945.42-170,119.64

Finding the Fourth Proportional to 307,946.80, 424,945.42 and 170,119.64

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Solution

The fourth proportional to 307,946.80, 424,945.42 and 170,119.64 is: 234,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,946.80 : 424,945.42 = 170,119.64 : x
  2. Step 2: Convert to fraction form
    307,946.80/424,945.42 = 170,119.64/x
  3. Step 3: Cross multiply
    307,946.80x = 424,945.42 × 170,119.64
  4. Step 4: Simplify right side
    307,946.80x = 72,291,561,870.05
  5. Step 5: Solve for x
    x = 72,291,561,870.05/307,946.80
  6. Step 6: Final answer
    x = 234,753.41

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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.