Home / 293,278.40-439,480.20-248,663.60

Finding the Fourth Proportional to 293,278.40, 439,480.20 and 248,663.60

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Solution

The fourth proportional to 293,278.40, 439,480.20 and 248,663.60 is: 372,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,278.40 : 439,480.20 = 248,663.60 : x
  2. Step 2: Convert to fraction form
    293,278.40/439,480.20 = 248,663.60/x
  3. Step 3: Cross multiply
    293,278.40x = 439,480.20 × 248,663.60
  4. Step 4: Simplify right side
    293,278.40x = 109,282,728,660.72
  5. Step 5: Solve for x
    x = 109,282,728,660.72/293,278.40
  6. Step 6: Final answer
    x = 372,624.54

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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.