Home / 213,727.40-320,168.70-187,461.80

Finding the Fourth Proportional to 213,727.40, 320,168.70 and 187,461.80

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Solution

The fourth proportional to 213,727.40, 320,168.70 and 187,461.80 is: 280,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,727.40 : 320,168.70 = 187,461.80 : x
  2. Step 2: Convert to fraction form
    213,727.40/320,168.70 = 187,461.80/x
  3. Step 3: Cross multiply
    213,727.40x = 320,168.70 × 187,461.80
  4. Step 4: Simplify right side
    213,727.40x = 60,019,400,805.66
  5. Step 5: Solve for x
    x = 60,019,400,805.66/213,727.40
  6. Step 6: Final answer
    x = 280,822.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.