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Finding the Fourth Proportional to 219,755.62, 303,263.13 and 119,153.62

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Solution

The fourth proportional to 219,755.62, 303,263.13 and 119,153.62 is: 164,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,755.62 : 303,263.13 = 119,153.62 : x
  2. Step 2: Convert to fraction form
    219,755.62/303,263.13 = 119,153.62/x
  3. Step 3: Cross multiply
    219,755.62x = 303,263.13 × 119,153.62
  4. Step 4: Simplify right side
    219,755.62x = 36,134,899,752.03
  5. Step 5: Solve for x
    x = 36,134,899,752.03/219,755.62
  6. Step 6: Final answer
    x = 164,432.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.