Home / 278,019.69-383,666.73-150,695.33

Finding the Fourth Proportional to 278,019.69, 383,666.73 and 150,695.33

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Solution

The fourth proportional to 278,019.69, 383,666.73 and 150,695.33 is: 207,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,019.69 : 383,666.73 = 150,695.33 : x
  2. Step 2: Convert to fraction form
    278,019.69/383,666.73 = 150,695.33/x
  3. Step 3: Cross multiply
    278,019.69x = 383,666.73 × 150,695.33
  4. Step 4: Simplify right side
    278,019.69x = 57,816,782,569.04
  5. Step 5: Solve for x
    x = 57,816,782,569.04/278,019.69
  6. Step 6: Final answer
    x = 207,959.31

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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.