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Finding the Fourth Proportional to 300,445.34, 450,654.35 and 100,750.37

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Solution

The fourth proportional to 300,445.34, 450,654.35 and 100,750.37 is: 151,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,445.34 : 450,654.35 = 100,750.37 : x
  2. Step 2: Convert to fraction form
    300,445.34/450,654.35 = 100,750.37/x
  3. Step 3: Cross multiply
    300,445.34x = 450,654.35 × 100,750.37
  4. Step 4: Simplify right side
    300,445.34x = 45,403,593,127.49
  5. Step 5: Solve for x
    x = 45,403,593,127.49/300,445.34
  6. Step 6: Final answer
    x = 151,120.98

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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.