Home / 211,063.40-291,267.42-115,570.04

Finding the Fourth Proportional to 211,063.40, 291,267.42 and 115,570.04

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Solution

The fourth proportional to 211,063.40, 291,267.42 and 115,570.04 is: 159,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,063.40 : 291,267.42 = 115,570.04 : x
  2. Step 2: Convert to fraction form
    211,063.40/291,267.42 = 115,570.04/x
  3. Step 3: Cross multiply
    211,063.40x = 291,267.42 × 115,570.04
  4. Step 4: Simplify right side
    211,063.40x = 33,661,787,380.10
  5. Step 5: Solve for x
    x = 33,661,787,380.10/211,063.40
  6. Step 6: Final answer
    x = 159,486.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.