Home / 231,739.30-347,868.15-216,511.30

Finding the Fourth Proportional to 231,739.30, 347,868.15 and 216,511.30

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Solution

The fourth proportional to 231,739.30, 347,868.15 and 216,511.30 is: 325,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,739.30 : 347,868.15 = 216,511.30 : x
  2. Step 2: Convert to fraction form
    231,739.30/347,868.15 = 216,511.30/x
  3. Step 3: Cross multiply
    231,739.30x = 347,868.15 × 216,511.30
  4. Step 4: Simplify right side
    231,739.30x = 75,317,385,385.10
  5. Step 5: Solve for x
    x = 75,317,385,385.10/231,739.30
  6. Step 6: Final answer
    x = 325,009.12

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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.