Home / 307,945.80-424,944.04-170,118.64

Finding the Fourth Proportional to 307,945.80, 424,944.04 and 170,118.64

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Solution

The fourth proportional to 307,945.80, 424,944.04 and 170,118.64 is: 234,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,945.80 : 424,944.04 = 170,118.64 : x
  2. Step 2: Convert to fraction form
    307,945.80/424,944.04 = 170,118.64/x
  3. Step 3: Cross multiply
    307,945.80x = 424,944.04 × 170,118.64
  4. Step 4: Simplify right side
    307,945.80x = 72,290,902,160.91
  5. Step 5: Solve for x
    x = 72,290,902,160.91/307,945.80
  6. Step 6: Final answer
    x = 234,752.03

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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.