Home / 278,607.97-384,480.57-151,283.60

Finding the Fourth Proportional to 278,607.97, 384,480.57 and 151,283.60

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Solution

The fourth proportional to 278,607.97, 384,480.57 and 151,283.60 is: 208,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,607.97 : 384,480.57 = 151,283.60 : x
  2. Step 2: Convert to fraction form
    278,607.97/384,480.57 = 151,283.60/x
  3. Step 3: Cross multiply
    278,607.97x = 384,480.57 × 151,283.60
  4. Step 4: Simplify right side
    278,607.97x = 58,165,604,759.65
  5. Step 5: Solve for x
    x = 58,165,604,759.65/278,607.97
  6. Step 6: Final answer
    x = 208,772.22

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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.