Home / 407,002.13-561,662.93-225,741.81

Finding the Fourth Proportional to 407,002.13, 561,662.93 and 225,741.81

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Solution

The fourth proportional to 407,002.13, 561,662.93 and 225,741.81 is: 311,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,002.13 : 561,662.93 = 225,741.81 : x
  2. Step 2: Convert to fraction form
    407,002.13/561,662.93 = 225,741.81/x
  3. Step 3: Cross multiply
    407,002.13x = 561,662.93 × 225,741.81
  4. Step 4: Simplify right side
    407,002.13x = 126,790,806,992.46
  5. Step 5: Solve for x
    x = 126,790,806,992.46/407,002.13
  6. Step 6: Final answer
    x = 311,523.70

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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.