Home / 219,795.20-329,746.80-62,021.60

Finding the Fourth Proportional to 219,795.20, 329,746.80 and 62,021.60

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Solution

The fourth proportional to 219,795.20, 329,746.80 and 62,021.60 is: 93,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,795.20 : 329,746.80 = 62,021.60 : x
  2. Step 2: Convert to fraction form
    219,795.20/329,746.80 = 62,021.60/x
  3. Step 3: Cross multiply
    219,795.20x = 329,746.80 × 62,021.60
  4. Step 4: Simplify right side
    219,795.20x = 20,451,424,130.88
  5. Step 5: Solve for x
    x = 20,451,424,130.88/219,795.20
  6. Step 6: Final answer
    x = 93,047.64

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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.