Home / 278,039.18-383,694.57-150,715.08

Finding the Fourth Proportional to 278,039.18, 383,694.57 and 150,715.08

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Solution

The fourth proportional to 278,039.18, 383,694.57 and 150,715.08 is: 207,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,039.18 : 383,694.57 = 150,715.08 : x
  2. Step 2: Convert to fraction form
    278,039.18/383,694.57 = 150,715.08/x
  3. Step 3: Cross multiply
    278,039.18x = 383,694.57 × 150,715.08
  4. Step 4: Simplify right side
    278,039.18x = 57,828,557,813.12
  5. Step 5: Solve for x
    x = 57,828,557,813.12/278,039.18
  6. Step 6: Final answer
    x = 207,987.08

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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.