Home / 278,375.04-384,160.32-151,051.68

Finding the Fourth Proportional to 278,375.04, 384,160.32 and 151,051.68

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Solution

The fourth proportional to 278,375.04, 384,160.32 and 151,051.68 is: 208,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,375.04 : 384,160.32 = 151,051.68 : x
  2. Step 2: Convert to fraction form
    278,375.04/384,160.32 = 151,051.68/x
  3. Step 3: Cross multiply
    278,375.04x = 384,160.32 × 151,051.68
  4. Step 4: Simplify right side
    278,375.04x = 58,028,061,725.34
  5. Step 5: Solve for x
    x = 58,028,061,725.34/278,375.04
  6. Step 6: Final answer
    x = 208,452.82

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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.