Home / 268,004.10-401,660.55-162,711.30

Finding the Fourth Proportional to 268,004.10, 401,660.55 and 162,711.30

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Solution

The fourth proportional to 268,004.10, 401,660.55 and 162,711.30 is: 243,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,004.10 : 401,660.55 = 162,711.30 : x
  2. Step 2: Convert to fraction form
    268,004.10/401,660.55 = 162,711.30/x
  3. Step 3: Cross multiply
    268,004.10x = 401,660.55 × 162,711.30
  4. Step 4: Simplify right side
    268,004.10x = 65,354,710,249.22
  5. Step 5: Solve for x
    x = 65,354,710,249.22/268,004.10
  6. Step 6: Final answer
    x = 243,857.13

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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.