Home / 289,850.20-434,237.70-164,819.80

Finding the Fourth Proportional to 289,850.20, 434,237.70 and 164,819.80

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Solution

The fourth proportional to 289,850.20, 434,237.70 and 164,819.80 is: 246,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,850.20 : 434,237.70 = 164,819.80 : x
  2. Step 2: Convert to fraction form
    289,850.20/434,237.70 = 164,819.80/x
  3. Step 3: Cross multiply
    289,850.20x = 434,237.70 × 164,819.80
  4. Step 4: Simplify right side
    289,850.20x = 71,570,970,866.46
  5. Step 5: Solve for x
    x = 71,570,970,866.46/289,850.20
  6. Step 6: Final answer
    x = 246,924.00

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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.