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Finding the Fourth Proportional to 275,700.58, 380,611.33 and 185,530.66

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Solution

The fourth proportional to 275,700.58, 380,611.33 and 185,530.66 is: 256,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,700.58 : 380,611.33 = 185,530.66 : x
  2. Step 2: Convert to fraction form
    275,700.58/380,611.33 = 185,530.66/x
  3. Step 3: Cross multiply
    275,700.58x = 380,611.33 × 185,530.66
  4. Step 4: Simplify right side
    275,700.58x = 70,615,071,258.38
  5. Step 5: Solve for x
    x = 70,615,071,258.38/275,700.58
  6. Step 6: Final answer
    x = 256,129.57

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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.