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Finding the Fourth Proportional to 333,318.61, 500,074.74 and 120,082.47

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Solution

The fourth proportional to 333,318.61, 500,074.74 and 120,082.47 is: 180,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,318.61 : 500,074.74 = 120,082.47 : x
  2. Step 2: Convert to fraction form
    333,318.61/500,074.74 = 120,082.47/x
  3. Step 3: Cross multiply
    333,318.61x = 500,074.74 × 120,082.47
  4. Step 4: Simplify right side
    333,318.61x = 60,050,207,463.43
  5. Step 5: Solve for x
    x = 60,050,207,463.43/333,318.61
  6. Step 6: Final answer
    x = 180,158.58

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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.