Home / 372,631.44-561,457.92-307,529.76

Finding the Fourth Proportional to 372,631.44, 561,457.92 and 307,529.76

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Solution

The fourth proportional to 372,631.44, 561,457.92 and 307,529.76 is: 463,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,631.44 : 561,457.92 = 307,529.76 : x
  2. Step 2: Convert to fraction form
    372,631.44/561,457.92 = 307,529.76/x
  3. Step 3: Cross multiply
    372,631.44x = 561,457.92 × 307,529.76
  4. Step 4: Simplify right side
    372,631.44x = 172,665,019,387.70
  5. Step 5: Solve for x
    x = 172,665,019,387.70/372,631.44
  6. Step 6: Final answer
    x = 463,366.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.