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Finding the Fourth Proportional to 289,981.40, 434,453.70 and 237,104.60

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Solution

The fourth proportional to 289,981.40, 434,453.70 and 237,104.60 is: 355,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,981.40 : 434,453.70 = 237,104.60 : x
  2. Step 2: Convert to fraction form
    289,981.40/434,453.70 = 237,104.60/x
  3. Step 3: Cross multiply
    289,981.40x = 434,453.70 × 237,104.60
  4. Step 4: Simplify right side
    289,981.40x = 103,010,970,757.02
  5. Step 5: Solve for x
    x = 103,010,970,757.02/289,981.40
  6. Step 6: Final answer
    x = 355,233.03

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1.5x scale

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.