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Finding the Fourth Proportional to 434,529.20, 651,793.80 and 299,226.80

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Solution

The fourth proportional to 434,529.20, 651,793.80 and 299,226.80 is: 448,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,529.20 : 651,793.80 = 299,226.80 : x
  2. Step 2: Convert to fraction form
    434,529.20/651,793.80 = 299,226.80/x
  3. Step 3: Cross multiply
    434,529.20x = 651,793.80 × 299,226.80
  4. Step 4: Simplify right side
    434,529.20x = 195,034,173,033.84
  5. Step 5: Solve for x
    x = 195,034,173,033.84/434,529.20
  6. Step 6: Final answer
    x = 448,840.20

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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.