Home / 347,816.60-521,724.90-214,263.80

Finding the Fourth Proportional to 347,816.60, 521,724.90 and 214,263.80

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Solution

The fourth proportional to 347,816.60, 521,724.90 and 214,263.80 is: 321,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,816.60 : 521,724.90 = 214,263.80 : x
  2. Step 2: Convert to fraction form
    347,816.60/521,724.90 = 214,263.80/x
  3. Step 3: Cross multiply
    347,816.60x = 521,724.90 × 214,263.80
  4. Step 4: Simplify right side
    347,816.60x = 111,786,759,628.62
  5. Step 5: Solve for x
    x = 111,786,759,628.62/347,816.60
  6. Step 6: Final answer
    x = 321,395.70

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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.