Home / 285,150.60-427,725.90-173,176.20

Finding the Fourth Proportional to 285,150.60, 427,725.90 and 173,176.20

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Solution

The fourth proportional to 285,150.60, 427,725.90 and 173,176.20 is: 259,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,150.60 : 427,725.90 = 173,176.20 : x
  2. Step 2: Convert to fraction form
    285,150.60/427,725.90 = 173,176.20/x
  3. Step 3: Cross multiply
    285,150.60x = 427,725.90 × 173,176.20
  4. Step 4: Simplify right side
    285,150.60x = 74,071,946,003.58
  5. Step 5: Solve for x
    x = 74,071,946,003.58/285,150.60
  6. Step 6: Final answer
    x = 259,764.30

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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.