Home / 268,280.20-401,837.10-162,915.40

Finding the Fourth Proportional to 268,280.20, 401,837.10 and 162,915.40

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Solution

The fourth proportional to 268,280.20, 401,837.10 and 162,915.40 is: 244,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,280.20 : 401,837.10 = 162,915.40 : x
  2. Step 2: Convert to fraction form
    268,280.20/401,837.10 = 162,915.40/x
  3. Step 3: Cross multiply
    268,280.20x = 401,837.10 × 162,915.40
  4. Step 4: Simplify right side
    268,280.20x = 65,465,451,881.34
  5. Step 5: Solve for x
    x = 65,465,451,881.34/268,280.20
  6. Step 6: Final answer
    x = 244,018.95

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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.