Home / 219,416.13-329,100.60-148,792.09

Finding the Fourth Proportional to 219,416.13, 329,100.60 and 148,792.09

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Solution

The fourth proportional to 219,416.13, 329,100.60 and 148,792.09 is: 223,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,416.13 : 329,100.60 = 148,792.09 : x
  2. Step 2: Convert to fraction form
    219,416.13/329,100.60 = 148,792.09/x
  3. Step 3: Cross multiply
    219,416.13x = 329,100.60 × 148,792.09
  4. Step 4: Simplify right side
    219,416.13x = 48,967,566,094.25
  5. Step 5: Solve for x
    x = 48,967,566,094.25/219,416.13
  6. Step 6: Final answer
    x = 223,172.13

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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.