Home / 278,025.24-416,715.21-127,950.42

Finding the Fourth Proportional to 278,025.24, 416,715.21 and 127,950.42

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Solution

The fourth proportional to 278,025.24, 416,715.21 and 127,950.42 is: 191,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,025.24 : 416,715.21 = 127,950.42 : x
  2. Step 2: Convert to fraction form
    278,025.24/416,715.21 = 127,950.42/x
  3. Step 3: Cross multiply
    278,025.24x = 416,715.21 × 127,950.42
  4. Step 4: Simplify right side
    278,025.24x = 53,318,886,139.89
  5. Step 5: Solve for x
    x = 53,318,886,139.89/278,025.24
  6. Step 6: Final answer
    x = 191,777.14

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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.