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Finding the Fourth Proportional to 380,671.52, 525,304.06 and 208,555.24

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Solution

The fourth proportional to 380,671.52, 525,304.06 and 208,555.24 is: 287,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,671.52 : 525,304.06 = 208,555.24 : x
  2. Step 2: Convert to fraction form
    380,671.52/525,304.06 = 208,555.24/x
  3. Step 3: Cross multiply
    380,671.52x = 525,304.06 × 208,555.24
  4. Step 4: Simplify right side
    380,671.52x = 109,554,914,306.27
  5. Step 5: Solve for x
    x = 109,554,914,306.27/380,671.52
  6. Step 6: Final answer
    x = 287,793.83

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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.