Home / 303,731.25-419,149.13-169,595.25

Finding the Fourth Proportional to 303,731.25, 419,149.13 and 169,595.25

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Solution

The fourth proportional to 303,731.25, 419,149.13 and 169,595.25 is: 234,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,731.25 : 419,149.13 = 169,595.25 : x
  2. Step 2: Convert to fraction form
    303,731.25/419,149.13 = 169,595.25/x
  3. Step 3: Cross multiply
    303,731.25x = 419,149.13 × 169,595.25
  4. Step 4: Simplify right side
    303,731.25x = 71,085,700,641.66
  5. Step 5: Solve for x
    x = 71,085,700,641.66/303,731.25
  6. Step 6: Final answer
    x = 234,041.45

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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.