Home / 412,827.20-569,754.24-243,077.12

Finding the Fourth Proportional to 412,827.20, 569,754.24 and 243,077.12

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Solution

The fourth proportional to 412,827.20, 569,754.24 and 243,077.12 is: 335,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,827.20 : 569,754.24 = 243,077.12 : x
  2. Step 2: Convert to fraction form
    412,827.20/569,754.24 = 243,077.12/x
  3. Step 3: Cross multiply
    412,827.20x = 569,754.24 × 243,077.12
  4. Step 4: Simplify right side
    412,827.20x = 138,494,219,766.99
  5. Step 5: Solve for x
    x = 138,494,219,766.99/412,827.20
  6. Step 6: Final answer
    x = 335,477.46

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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.