Home / 302,572.20-454,842.45-214,436.10

Finding the Fourth Proportional to 302,572.20, 454,842.45 and 214,436.10

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Solution

The fourth proportional to 302,572.20, 454,842.45 and 214,436.10 is: 322,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,572.20 : 454,842.45 = 214,436.10 : x
  2. Step 2: Convert to fraction form
    302,572.20/454,842.45 = 214,436.10/x
  3. Step 3: Cross multiply
    302,572.20x = 454,842.45 × 214,436.10
  4. Step 4: Simplify right side
    302,572.20x = 97,534,641,092.45
  5. Step 5: Solve for x
    x = 97,534,641,092.45/302,572.20
  6. Step 6: Final answer
    x = 322,351.63

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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.