Home / 278,625.27-384,504.29-151,300.86

Finding the Fourth Proportional to 278,625.27, 384,504.29 and 151,300.86

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Solution

The fourth proportional to 278,625.27, 384,504.29 and 151,300.86 is: 208,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,625.27 : 384,504.29 = 151,300.86 : x
  2. Step 2: Convert to fraction form
    278,625.27/384,504.29 = 151,300.86/x
  3. Step 3: Cross multiply
    278,625.27x = 384,504.29 × 151,300.86
  4. Step 4: Simplify right side
    278,625.27x = 58,175,830,708.04
  5. Step 5: Solve for x
    x = 58,175,830,708.04/278,625.27
  6. Step 6: Final answer
    x = 208,795.96

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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.