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Finding the Fourth Proportional to 219,722.02, 303,224.54 and 124,223.02

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Solution

The fourth proportional to 219,722.02, 303,224.54 and 124,223.02 is: 171,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,722.02 : 303,224.54 = 124,223.02 : x
  2. Step 2: Convert to fraction form
    219,722.02/303,224.54 = 124,223.02/x
  3. Step 3: Cross multiply
    219,722.02x = 303,224.54 × 124,223.02
  4. Step 4: Simplify right side
    219,722.02x = 37,667,468,096.91
  5. Step 5: Solve for x
    x = 37,667,468,096.91/219,722.02
  6. Step 6: Final answer
    x = 171,432.38

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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.