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Finding the Fourth Proportional to 199,582.99, 299,422.32 and 66,464.40

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Solution

The fourth proportional to 199,582.99, 299,422.32 and 66,464.40 is: 99,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,582.99 : 299,422.32 = 66,464.40 : x
  2. Step 2: Convert to fraction form
    199,582.99/299,422.32 = 66,464.40/x
  3. Step 3: Cross multiply
    199,582.99x = 299,422.32 × 66,464.40
  4. Step 4: Simplify right side
    199,582.99x = 19,900,924,408.61
  5. Step 5: Solve for x
    x = 19,900,924,408.61/199,582.99
  6. Step 6: Final answer
    x = 99,712.53

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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.