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Finding the Fourth Proportional to 275,011.88, 412,518.14 and 75,333.98

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Solution

The fourth proportional to 275,011.88, 412,518.14 and 75,333.98 is: 113,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,011.88 : 412,518.14 = 75,333.98 : x
  2. Step 2: Convert to fraction form
    275,011.88/412,518.14 = 75,333.98/x
  3. Step 3: Cross multiply
    275,011.88x = 412,518.14 × 75,333.98
  4. Step 4: Simplify right side
    275,011.88x = 31,076,630,869.14
  5. Step 5: Solve for x
    x = 31,076,630,869.14/275,011.88
  6. Step 6: Final answer
    x = 113,001.05

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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.