Home / 211,740.26-317,330.03-155,316.17

Finding the Fourth Proportional to 211,740.26, 317,330.03 and 155,316.17

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Solution

The fourth proportional to 211,740.26, 317,330.03 and 155,316.17 is: 232,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,740.26 : 317,330.03 = 155,316.17 : x
  2. Step 2: Convert to fraction form
    211,740.26/317,330.03 = 155,316.17/x
  3. Step 3: Cross multiply
    211,740.26x = 317,330.03 × 155,316.17
  4. Step 4: Simplify right side
    211,740.26x = 49,286,486,067.20
  5. Step 5: Solve for x
    x = 49,286,486,067.20/211,740.26
  6. Step 6: Final answer
    x = 232,768.61

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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.