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Finding the Fourth Proportional to 434,737.20, 652,300.20 and 154,455.60

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Solution

The fourth proportional to 434,737.20, 652,300.20 and 154,455.60 is: 231,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,737.20 : 652,300.20 = 154,455.60 : x
  2. Step 2: Convert to fraction form
    434,737.20/652,300.20 = 154,455.60/x
  3. Step 3: Cross multiply
    434,737.20x = 652,300.20 × 154,455.60
  4. Step 4: Simplify right side
    434,737.20x = 100,751,418,771.12
  5. Step 5: Solve for x
    x = 100,751,418,771.12/434,737.20
  6. Step 6: Final answer
    x = 231,752.47

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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.