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Finding the Fourth Proportional to 600,482.40, 900,582.10 and 221,197.17

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Solution

The fourth proportional to 600,482.40, 900,582.10 and 221,197.17 is: 331,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,482.40 : 900,582.10 = 221,197.17 : x
  2. Step 2: Convert to fraction form
    600,482.40/900,582.10 = 221,197.17/x
  3. Step 3: Cross multiply
    600,482.40x = 900,582.10 × 221,197.17
  4. Step 4: Simplify right side
    600,482.40x = 199,206,211,872.66
  5. Step 5: Solve for x
    x = 199,206,211,872.66/600,482.40
  6. Step 6: Final answer
    x = 331,743.63

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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.