Home / 268,239.20-401,775.60-162,874.40

Finding the Fourth Proportional to 268,239.20, 401,775.60 and 162,874.40

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Solution

The fourth proportional to 268,239.20, 401,775.60 and 162,874.40 is: 243,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,239.20 : 401,775.60 = 162,874.40 : x
  2. Step 2: Convert to fraction form
    268,239.20/401,775.60 = 162,874.40/x
  3. Step 3: Cross multiply
    268,239.20x = 401,775.60 × 162,874.40
  4. Step 4: Simplify right side
    268,239.20x = 65,438,959,784.64
  5. Step 5: Solve for x
    x = 65,438,959,784.64/268,239.20
  6. Step 6: Final answer
    x = 243,957.48

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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.