Home / 231,619.80-347,429.70-113,521.80

Finding the Fourth Proportional to 231,619.80, 347,429.70 and 113,521.80

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Solution

The fourth proportional to 231,619.80, 347,429.70 and 113,521.80 is: 170,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,619.80 : 347,429.70 = 113,521.80 : x
  2. Step 2: Convert to fraction form
    231,619.80/347,429.70 = 113,521.80/x
  3. Step 3: Cross multiply
    231,619.80x = 347,429.70 × 113,521.80
  4. Step 4: Simplify right side
    231,619.80x = 39,440,844,917.46
  5. Step 5: Solve for x
    x = 39,440,844,917.46/231,619.80
  6. Step 6: Final answer
    x = 170,282.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.