Home / 278,353.44-384,132.23-151,029.05

Finding the Fourth Proportional to 278,353.44, 384,132.23 and 151,029.05

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Solution

The fourth proportional to 278,353.44, 384,132.23 and 151,029.05 is: 208,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,353.44 : 384,132.23 = 151,029.05 : x
  2. Step 2: Convert to fraction form
    278,353.44/384,132.23 = 151,029.05/x
  3. Step 3: Cross multiply
    278,353.44x = 384,132.23 × 151,029.05
  4. Step 4: Simplify right side
    278,353.44x = 58,015,123,095.48
  5. Step 5: Solve for x
    x = 58,015,123,095.48/278,353.44
  6. Step 6: Final answer
    x = 208,422.51

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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.