Home / 278,918.52-384,908.94-151,596.60

Finding the Fourth Proportional to 278,918.52, 384,908.94 and 151,596.60

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Solution

The fourth proportional to 278,918.52, 384,908.94 and 151,596.60 is: 209,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,918.52 : 384,908.94 = 151,596.60 : x
  2. Step 2: Convert to fraction form
    278,918.52/384,908.94 = 151,596.60/x
  3. Step 3: Cross multiply
    278,918.52x = 384,908.94 × 151,596.60
  4. Step 4: Simplify right side
    278,918.52x = 58,350,886,613.60
  5. Step 5: Solve for x
    x = 58,350,886,613.60/278,918.52
  6. Step 6: Final answer
    x = 209,204.06

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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.