Home / 234,017.20-351,025.80-231,684.40

Finding the Fourth Proportional to 234,017.20, 351,025.80 and 231,684.40

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Solution

The fourth proportional to 234,017.20, 351,025.80 and 231,684.40 is: 347,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,017.20 : 351,025.80 = 231,684.40 : x
  2. Step 2: Convert to fraction form
    234,017.20/351,025.80 = 231,684.40/x
  3. Step 3: Cross multiply
    234,017.20x = 351,025.80 × 231,684.40
  4. Step 4: Simplify right side
    234,017.20x = 81,327,201,857.52
  5. Step 5: Solve for x
    x = 81,327,201,857.52/234,017.20
  6. Step 6: Final answer
    x = 347,526.60

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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.