Home / 278,025.12-383,675.12-150,700.64

Finding the Fourth Proportional to 278,025.12, 383,675.12 and 150,700.64

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Solution

The fourth proportional to 278,025.12, 383,675.12 and 150,700.64 is: 207,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,025.12 : 383,675.12 = 150,700.64 : x
  2. Step 2: Convert to fraction form
    278,025.12/383,675.12 = 150,700.64/x
  3. Step 3: Cross multiply
    278,025.12x = 383,675.12 × 150,700.64
  4. Step 4: Simplify right side
    278,025.12x = 57,820,086,136.08
  5. Step 5: Solve for x
    x = 57,820,086,136.08/278,025.12
  6. Step 6: Final answer
    x = 207,967.13

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1.5x scale

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.