Home / 211,317.40-317,267.70-166,994.20

Finding the Fourth Proportional to 211,317.40, 317,267.70 and 166,994.20

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Solution

The fourth proportional to 211,317.40, 317,267.70 and 166,994.20 is: 250,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317.40 : 317,267.70 = 166,994.20 : x
  2. Step 2: Convert to fraction form
    211,317.40/317,267.70 = 166,994.20/x
  3. Step 3: Cross multiply
    211,317.40x = 317,267.70 × 166,994.20
  4. Step 4: Simplify right side
    211,317.40x = 52,981,865,747.34
  5. Step 5: Solve for x
    x = 52,981,865,747.34/211,317.40
  6. Step 6: Final answer
    x = 250,721.74

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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.