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Finding the Fourth Proportional to 199,444.86, 299,102.34 and 66,289.38

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Solution

The fourth proportional to 199,444.86, 299,102.34 and 66,289.38 is: 99,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,444.86 : 299,102.34 = 66,289.38 : x
  2. Step 2: Convert to fraction form
    199,444.86/299,102.34 = 66,289.38/x
  3. Step 3: Cross multiply
    199,444.86x = 299,102.34 × 66,289.38
  4. Step 4: Simplify right side
    199,444.86x = 19,827,308,675.15
  5. Step 5: Solve for x
    x = 19,827,308,675.15/199,444.86
  6. Step 6: Final answer
    x = 99,412.48

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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.