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Finding the Fourth Proportional to 333,837, 500,756.13 and 81,117.70

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Solution

The fourth proportional to 333,837, 500,756.13 and 81,117.70 is: 121,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,837 : 500,756.13 = 81,117.70 : x
  2. Step 2: Convert to fraction form
    333,837/500,756.13 = 81,117.70/x
  3. Step 3: Cross multiply
    333,837x = 500,756.13 × 81,117.70
  4. Step 4: Simplify right side
    333,837x = 40,620,185,526.50
  5. Step 5: Solve for x
    x = 40,620,185,526.50/333,837
  6. Step 6: Final answer
    x = 121,676.70

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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.