Home / 278,392.62-384,182.85-151,068.24

Finding the Fourth Proportional to 278,392.62, 384,182.85 and 151,068.24

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Solution

The fourth proportional to 278,392.62, 384,182.85 and 151,068.24 is: 208,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,392.62 : 384,182.85 = 151,068.24 : x
  2. Step 2: Convert to fraction form
    278,392.62/384,182.85 = 151,068.24/x
  3. Step 3: Cross multiply
    278,392.62x = 384,182.85 × 151,068.24
  4. Step 4: Simplify right side
    278,392.62x = 58,037,826,987.68
  5. Step 5: Solve for x
    x = 58,037,826,987.68/278,392.62
  6. Step 6: Final answer
    x = 208,474.73

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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.