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Finding the Fourth Proportional to 534,224.89, 801,330.54 and 214,518.25

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Solution

The fourth proportional to 534,224.89, 801,330.54 and 214,518.25 is: 321,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,224.89 : 801,330.54 = 214,518.25 : x
  2. Step 2: Convert to fraction form
    534,224.89/801,330.54 = 214,518.25/x
  3. Step 3: Cross multiply
    534,224.89x = 801,330.54 × 214,518.25
  4. Step 4: Simplify right side
    534,224.89x = 171,900,025,112.36
  5. Step 5: Solve for x
    x = 171,900,025,112.36/534,224.89
  6. Step 6: Final answer
    x = 321,774.65

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1.5x scale

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.