Home / 293,072.20-439,608.30-71,456.20

Finding the Fourth Proportional to 293,072.20, 439,608.30 and 71,456.20

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Solution

The fourth proportional to 293,072.20, 439,608.30 and 71,456.20 is: 107,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,072.20 : 439,608.30 = 71,456.20 : x
  2. Step 2: Convert to fraction form
    293,072.20/439,608.30 = 71,456.20/x
  3. Step 3: Cross multiply
    293,072.20x = 439,608.30 × 71,456.20
  4. Step 4: Simplify right side
    293,072.20x = 31,412,738,606.46
  5. Step 5: Solve for x
    x = 31,412,738,606.46/293,072.20
  6. Step 6: Final answer
    x = 107,184.30

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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.