Home / 228,056.80-342,085.20-115,693.60

Finding the Fourth Proportional to 228,056.80, 342,085.20 and 115,693.60

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Solution

The fourth proportional to 228,056.80, 342,085.20 and 115,693.60 is: 173,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,056.80 : 342,085.20 = 115,693.60 : x
  2. Step 2: Convert to fraction form
    228,056.80/342,085.20 = 115,693.60/x
  3. Step 3: Cross multiply
    228,056.80x = 342,085.20 × 115,693.60
  4. Step 4: Simplify right side
    228,056.80x = 39,577,068,294.72
  5. Step 5: Solve for x
    x = 39,577,068,294.72/228,056.80
  6. Step 6: Final answer
    x = 173,540.40

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1.5x scale

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.