Home / 278,659.94-384,583.55-165,482.69

Finding the Fourth Proportional to 278,659.94, 384,583.55 and 165,482.69

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Solution

The fourth proportional to 278,659.94, 384,583.55 and 165,482.69 is: 228,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,659.94 : 384,583.55 = 165,482.69 : x
  2. Step 2: Convert to fraction form
    278,659.94/384,583.55 = 165,482.69/x
  3. Step 3: Cross multiply
    278,659.94x = 384,583.55 × 165,482.69
  4. Step 4: Simplify right side
    278,659.94x = 63,641,917,633.42
  5. Step 5: Solve for x
    x = 63,641,917,633.42/278,659.94
  6. Step 6: Final answer
    x = 228,385.60

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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.