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Finding the Fourth Proportional to 434,272.80, 650,890.80 and 223,802.40

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Solution

The fourth proportional to 434,272.80, 650,890.80 and 223,802.40 is: 335,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,272.80 : 650,890.80 = 223,802.40 : x
  2. Step 2: Convert to fraction form
    434,272.80/650,890.80 = 223,802.40/x
  3. Step 3: Cross multiply
    434,272.80x = 650,890.80 × 223,802.40
  4. Step 4: Simplify right side
    434,272.80x = 145,670,923,177.92
  5. Step 5: Solve for x
    x = 145,670,923,177.92/434,272.80
  6. Step 6: Final answer
    x = 335,436.44

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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.