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Finding the Fourth Proportional to 368,412.35, 552,586.86 and 224,280.74

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Solution

The fourth proportional to 368,412.35, 552,586.86 and 224,280.74 is: 336,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,412.35 : 552,586.86 = 224,280.74 : x
  2. Step 2: Convert to fraction form
    368,412.35/552,586.86 = 224,280.74/x
  3. Step 3: Cross multiply
    368,412.35x = 552,586.86 × 224,280.74
  4. Step 4: Simplify right side
    368,412.35x = 123,934,591,256.54
  5. Step 5: Solve for x
    x = 123,934,591,256.54/368,412.35
  6. Step 6: Final answer
    x = 336,401.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.