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Finding the Fourth Proportional to 219,687.35, 303,161.60 and 124,188.35

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Solution

The fourth proportional to 219,687.35, 303,161.60 and 124,188.35 is: 171,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,687.35 : 303,161.60 = 124,188.35 : x
  2. Step 2: Convert to fraction form
    219,687.35/303,161.60 = 124,188.35/x
  3. Step 3: Cross multiply
    219,687.35x = 303,161.60 × 124,188.35
  4. Step 4: Simplify right side
    219,687.35x = 37,649,137,682.02
  5. Step 5: Solve for x
    x = 37,649,137,682.02/219,687.35
  6. Step 6: Final answer
    x = 171,376.00

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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.