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Finding the Fourth Proportional to 333,379.70, 500,221.36 and 141,306.77

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Solution

The fourth proportional to 333,379.70, 500,221.36 and 141,306.77 is: 212,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,379.70 : 500,221.36 = 141,306.77 : x
  2. Step 2: Convert to fraction form
    333,379.70/500,221.36 = 141,306.77/x
  3. Step 3: Cross multiply
    333,379.70x = 500,221.36 × 141,306.77
  4. Step 4: Simplify right side
    333,379.70x = 70,684,664,666.61
  5. Step 5: Solve for x
    x = 70,684,664,666.61/333,379.70
  6. Step 6: Final answer
    x = 212,024.50

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1.5x scale

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.