Home / 278,319.24-384,080.94-150,995.34

Finding the Fourth Proportional to 278,319.24, 384,080.94 and 150,995.34

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Solution

The fourth proportional to 278,319.24, 384,080.94 and 150,995.34 is: 208,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,319.24 : 384,080.94 = 150,995.34 : x
  2. Step 2: Convert to fraction form
    278,319.24/384,080.94 = 150,995.34/x
  3. Step 3: Cross multiply
    278,319.24x = 384,080.94 × 150,995.34
  4. Step 4: Simplify right side
    278,319.24x = 57,994,432,122.82
  5. Step 5: Solve for x
    x = 57,994,432,122.82/278,319.24
  6. Step 6: Final answer
    x = 208,373.78

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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.