Home / 305,072.64-457,611.66-125,256.96

Finding the Fourth Proportional to 305,072.64, 457,611.66 and 125,256.96

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Solution

The fourth proportional to 305,072.64, 457,611.66 and 125,256.96 is: 187,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,072.64 : 457,611.66 = 125,256.96 : x
  2. Step 2: Convert to fraction form
    305,072.64/457,611.66 = 125,256.96/x
  3. Step 3: Cross multiply
    305,072.64x = 457,611.66 × 125,256.96
  4. Step 4: Simplify right side
    305,072.64x = 57,319,045,392.15
  5. Step 5: Solve for x
    x = 57,319,045,392.15/305,072.64
  6. Step 6: Final answer
    x = 187,886.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.