Home / 278,280.74-384,028.38-150,957.24

Finding the Fourth Proportional to 278,280.74, 384,028.38 and 150,957.24

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Solution

The fourth proportional to 278,280.74, 384,028.38 and 150,957.24 is: 208,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,280.74 : 384,028.38 = 150,957.24 : x
  2. Step 2: Convert to fraction form
    278,280.74/384,028.38 = 150,957.24/x
  3. Step 3: Cross multiply
    278,280.74x = 384,028.38 × 150,957.24
  4. Step 4: Simplify right side
    278,280.74x = 57,971,864,326.47
  5. Step 5: Solve for x
    x = 57,971,864,326.47/278,280.74
  6. Step 6: Final answer
    x = 208,321.52

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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.