Home / 278,019.45-383,667.23-150,695.01

Finding the Fourth Proportional to 278,019.45, 383,667.23 and 150,695.01

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Solution

The fourth proportional to 278,019.45, 383,667.23 and 150,695.01 is: 207,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,019.45 : 383,667.23 = 150,695.01 : x
  2. Step 2: Convert to fraction form
    278,019.45/383,667.23 = 150,695.01/x
  3. Step 3: Cross multiply
    278,019.45x = 383,667.23 × 150,695.01
  4. Step 4: Simplify right side
    278,019.45x = 57,816,737,061.52
  5. Step 5: Solve for x
    x = 57,816,737,061.52/278,019.45
  6. Step 6: Final answer
    x = 207,959.32

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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.