Home / 356,983.80-492,635.64-195,834.72

Finding the Fourth Proportional to 356,983.80, 492,635.64 and 195,834.72

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Solution

The fourth proportional to 356,983.80, 492,635.64 and 195,834.72 is: 270,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,983.80 : 492,635.64 = 195,834.72 : x
  2. Step 2: Convert to fraction form
    356,983.80/492,635.64 = 195,834.72/x
  3. Step 3: Cross multiply
    356,983.80x = 492,635.64 × 195,834.72
  4. Step 4: Simplify right side
    356,983.80x = 96,475,162,621.42
  5. Step 5: Solve for x
    x = 96,475,162,621.42/356,983.80
  6. Step 6: Final answer
    x = 270,250.81

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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.