Home / 377,342.56-520,734.18-205,260.52

Finding the Fourth Proportional to 377,342.56, 520,734.18 and 205,260.52

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Solution

The fourth proportional to 377,342.56, 520,734.18 and 205,260.52 is: 283,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,342.56 : 520,734.18 = 205,260.52 : x
  2. Step 2: Convert to fraction form
    377,342.56/520,734.18 = 205,260.52/x
  3. Step 3: Cross multiply
    377,342.56x = 520,734.18 × 205,260.52
  4. Step 4: Simplify right side
    377,342.56x = 106,886,168,568.57
  5. Step 5: Solve for x
    x = 106,886,168,568.57/377,342.56
  6. Step 6: Final answer
    x = 283,260.30

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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.