Home / 278,784.14-384,714.62-164,069.53

Finding the Fourth Proportional to 278,784.14, 384,714.62 and 164,069.53

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Solution

The fourth proportional to 278,784.14, 384,714.62 and 164,069.53 is: 226,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,784.14 : 384,714.62 = 164,069.53 : x
  2. Step 2: Convert to fraction form
    278,784.14/384,714.62 = 164,069.53/x
  3. Step 3: Cross multiply
    278,784.14x = 384,714.62 × 164,069.53
  4. Step 4: Simplify right side
    278,784.14x = 63,119,947,778.60
  5. Step 5: Solve for x
    x = 63,119,947,778.60/278,784.14
  6. Step 6: Final answer
    x = 226,411.55

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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.