Home / 407,002.94-561,664.05-225,742.62

Finding the Fourth Proportional to 407,002.94, 561,664.05 and 225,742.62

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Solution

The fourth proportional to 407,002.94, 561,664.05 and 225,742.62 is: 311,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,002.94 : 561,664.05 = 225,742.62 : x
  2. Step 2: Convert to fraction form
    407,002.94/561,664.05 = 225,742.62/x
  3. Step 3: Cross multiply
    407,002.94x = 561,664.05 × 225,742.62
  4. Step 4: Simplify right side
    407,002.94x = 126,791,514,206.81
  5. Step 5: Solve for x
    x = 126,791,514,206.81/407,002.94
  6. Step 6: Final answer
    x = 311,524.81

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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.