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Finding the Fourth Proportional to 300,005.80, 450,123.90 and 295,282.60

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Solution

The fourth proportional to 300,005.80, 450,123.90 and 295,282.60 is: 443,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,005.80 : 450,123.90 = 295,282.60 : x
  2. Step 2: Convert to fraction form
    300,005.80/450,123.90 = 295,282.60/x
  3. Step 3: Cross multiply
    300,005.80x = 450,123.90 × 295,282.60
  4. Step 4: Simplify right side
    300,005.80x = 132,913,755,514.14
  5. Step 5: Solve for x
    x = 132,913,755,514.14/300,005.80
  6. Step 6: Final answer
    x = 443,037.29

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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.