Home / 211,748.10-317,341.77-155,324.04

Finding the Fourth Proportional to 211,748.10, 317,341.77 and 155,324.04

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Solution

The fourth proportional to 211,748.10, 317,341.77 and 155,324.04 is: 232,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,748.10 : 317,341.77 = 155,324.04 : x
  2. Step 2: Convert to fraction form
    211,748.10/317,341.77 = 155,324.04/x
  3. Step 3: Cross multiply
    211,748.10x = 317,341.77 × 155,324.04
  4. Step 4: Simplify right side
    211,748.10x = 49,290,805,777.15
  5. Step 5: Solve for x
    x = 49,290,805,777.15/211,748.10
  6. Step 6: Final answer
    x = 232,780.39

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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.