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Finding the Fourth Proportional to 219,883.71, 303,440.10 and 119,281.71

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Solution

The fourth proportional to 219,883.71, 303,440.10 and 119,281.71 is: 164,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.71 : 303,440.10 = 119,281.71 : x
  2. Step 2: Convert to fraction form
    219,883.71/303,440.10 = 119,281.71/x
  3. Step 3: Cross multiply
    219,883.71x = 303,440.10 × 119,281.71
  4. Step 4: Simplify right side
    219,883.71x = 36,194,854,010.57
  5. Step 5: Solve for x
    x = 36,194,854,010.57/219,883.71
  6. Step 6: Final answer
    x = 164,609.07

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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.