Home / 356,621.24-492,187.72-220,698.96

Finding the Fourth Proportional to 356,621.24, 492,187.72 and 220,698.96

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Solution

The fourth proportional to 356,621.24, 492,187.72 and 220,698.96 is: 304,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,621.24 : 492,187.72 = 220,698.96 : x
  2. Step 2: Convert to fraction form
    356,621.24/492,187.72 = 220,698.96/x
  3. Step 3: Cross multiply
    356,621.24x = 492,187.72 × 220,698.96
  4. Step 4: Simplify right side
    356,621.24x = 108,625,317,928.77
  5. Step 5: Solve for x
    x = 108,625,317,928.77/356,621.24
  6. Step 6: Final answer
    x = 304,595.76

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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.