Home / 389,287.20-583,925.04-211,752.48

Finding the Fourth Proportional to 389,287.20, 583,925.04 and 211,752.48

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Solution

The fourth proportional to 389,287.20, 583,925.04 and 211,752.48 is: 317,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,287.20 : 583,925.04 = 211,752.48 : x
  2. Step 2: Convert to fraction form
    389,287.20/583,925.04 = 211,752.48/x
  3. Step 3: Cross multiply
    389,287.20x = 583,925.04 × 211,752.48
  4. Step 4: Simplify right side
    389,287.20x = 123,647,575,354.10
  5. Step 5: Solve for x
    x = 123,647,575,354.10/389,287.20
  6. Step 6: Final answer
    x = 317,625.59

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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.