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Finding the Fourth Proportional to 219,600.54, 303,048.90 and 118,998.54

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Solution

The fourth proportional to 219,600.54, 303,048.90 and 118,998.54 is: 164,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,600.54 : 303,048.90 = 118,998.54 : x
  2. Step 2: Convert to fraction form
    219,600.54/303,048.90 = 118,998.54/x
  3. Step 3: Cross multiply
    219,600.54x = 303,048.90 × 118,998.54
  4. Step 4: Simplify right side
    219,600.54x = 36,062,376,648.61
  5. Step 5: Solve for x
    x = 36,062,376,648.61/219,600.54
  6. Step 6: Final answer
    x = 164,218.07

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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.