Home / 278,278.73-384,025.62-150,955.23

Finding the Fourth Proportional to 278,278.73, 384,025.62 and 150,955.23

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Solution

The fourth proportional to 278,278.73, 384,025.62 and 150,955.23 is: 208,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,278.73 : 384,025.62 = 150,955.23 : x
  2. Step 2: Convert to fraction form
    278,278.73/384,025.62 = 150,955.23/x
  3. Step 3: Cross multiply
    278,278.73x = 384,025.62 × 150,955.23
  4. Step 4: Simplify right side
    278,278.73x = 57,970,675,792.99
  5. Step 5: Solve for x
    x = 57,970,675,792.99/278,278.73
  6. Step 6: Final answer
    x = 208,318.74

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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.