Home / 353,429.20-529,962.20-104,078.80

Finding the Fourth Proportional to 353,429.20, 529,962.20 and 104,078.80

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Solution

The fourth proportional to 353,429.20, 529,962.20 and 104,078.80 is: 156,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,429.20 : 529,962.20 = 104,078.80 : x
  2. Step 2: Convert to fraction form
    353,429.20/529,962.20 = 104,078.80/x
  3. Step 3: Cross multiply
    353,429.20x = 529,962.20 × 104,078.80
  4. Step 4: Simplify right side
    353,429.20x = 55,157,829,821.36
  5. Step 5: Solve for x
    x = 55,157,829,821.36/353,429.20
  6. Step 6: Final answer
    x = 156,064.72

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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.