Home / 260,731.41-359,009.72-228,280.43

Finding the Fourth Proportional to 260,731.41, 359,009.72 and 228,280.43

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Solution

The fourth proportional to 260,731.41, 359,009.72 and 228,280.43 is: 314,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,731.41 : 359,009.72 = 228,280.43 : x
  2. Step 2: Convert to fraction form
    260,731.41/359,009.72 = 228,280.43/x
  3. Step 3: Cross multiply
    260,731.41x = 359,009.72 × 228,280.43
  4. Step 4: Simplify right side
    260,731.41x = 81,954,891,848.52
  5. Step 5: Solve for x
    x = 81,954,891,848.52/260,731.41
  6. Step 6: Final answer
    x = 314,326.89

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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.