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Finding the Fourth Proportional to 300,306.60, 450,200.70 and 152,562.60

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Solution

The fourth proportional to 300,306.60, 450,200.70 and 152,562.60 is: 228,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,306.60 : 450,200.70 = 152,562.60 : x
  2. Step 2: Convert to fraction form
    300,306.60/450,200.70 = 152,562.60/x
  3. Step 3: Cross multiply
    300,306.60x = 450,200.70 × 152,562.60
  4. Step 4: Simplify right side
    300,306.60x = 68,683,789,313.82
  5. Step 5: Solve for x
    x = 68,683,789,313.82/300,306.60
  6. Step 6: Final answer
    x = 228,712.22

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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.