Home / 412,977.60-619,466.40-163,627.20

Finding the Fourth Proportional to 412,977.60, 619,466.40 and 163,627.20

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Solution

The fourth proportional to 412,977.60, 619,466.40 and 163,627.20 is: 245,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,977.60 : 619,466.40 = 163,627.20 : x
  2. Step 2: Convert to fraction form
    412,977.60/619,466.40 = 163,627.20/x
  3. Step 3: Cross multiply
    412,977.60x = 619,466.40 × 163,627.20
  4. Step 4: Simplify right side
    412,977.60x = 101,361,552,526.08
  5. Step 5: Solve for x
    x = 101,361,552,526.08/412,977.60
  6. Step 6: Final answer
    x = 245,440.80

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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.