Home / 407,014.18-561,713.19-225,784.54

Finding the Fourth Proportional to 407,014.18, 561,713.19 and 225,784.54

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Solution

The fourth proportional to 407,014.18, 561,713.19 and 225,784.54 is: 311,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,014.18 : 561,713.19 = 225,784.54 : x
  2. Step 2: Convert to fraction form
    407,014.18/561,713.19 = 225,784.54/x
  3. Step 3: Cross multiply
    407,014.18x = 561,713.19 × 225,784.54
  4. Step 4: Simplify right side
    407,014.18x = 126,826,152,811.80
  5. Step 5: Solve for x
    x = 126,826,152,811.80/407,014.18
  6. Step 6: Final answer
    x = 311,601.31

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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.