Home / 199,447.17-298,960.75-66,291.67

Finding the Fourth Proportional to 199,447.17, 298,960.75 and 66,291.67

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Solution

The fourth proportional to 199,447.17, 298,960.75 and 66,291.67 is: 99,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,447.17 : 298,960.75 = 66,291.67 : x
  2. Step 2: Convert to fraction form
    199,447.17/298,960.75 = 66,291.67/x
  3. Step 3: Cross multiply
    199,447.17x = 298,960.75 × 66,291.67
  4. Step 4: Simplify right side
    199,447.17x = 19,818,607,381.95
  5. Step 5: Solve for x
    x = 19,818,607,381.95/199,447.17
  6. Step 6: Final answer
    x = 99,367.70

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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.