Home / 199,218.60-298,991.10-197,663.40

Finding the Fourth Proportional to 199,218.60, 298,991.10 and 197,663.40

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Solution

The fourth proportional to 199,218.60, 298,991.10 and 197,663.40 is: 296,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,218.60 : 298,991.10 = 197,663.40 : x
  2. Step 2: Convert to fraction form
    199,218.60/298,991.10 = 197,663.40/x
  3. Step 3: Cross multiply
    199,218.60x = 298,991.10 × 197,663.40
  4. Step 4: Simplify right side
    199,218.60x = 59,099,597,395.74
  5. Step 5: Solve for x
    x = 59,099,597,395.74/199,218.60
  6. Step 6: Final answer
    x = 296,657.03

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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.