Home / 372,218.60-557,712.30-214,171.40

Finding the Fourth Proportional to 372,218.60, 557,712.30 and 214,171.40

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Solution

The fourth proportional to 372,218.60, 557,712.30 and 214,171.40 is: 320,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,218.60 : 557,712.30 = 214,171.40 : x
  2. Step 2: Convert to fraction form
    372,218.60/557,712.30 = 214,171.40/x
  3. Step 3: Cross multiply
    372,218.60x = 557,712.30 × 214,171.40
  4. Step 4: Simplify right side
    372,218.60x = 119,446,024,088.22
  5. Step 5: Solve for x
    x = 119,446,024,088.22/372,218.60
  6. Step 6: Final answer
    x = 320,902.89

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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.