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Finding the Fourth Proportional to 300,445.10, 450,653.97 and 100,750.13

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Solution

The fourth proportional to 300,445.10, 450,653.97 and 100,750.13 is: 151,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,445.10 : 450,653.97 = 100,750.13 : x
  2. Step 2: Convert to fraction form
    300,445.10/450,653.97 = 100,750.13/x
  3. Step 3: Cross multiply
    300,445.10x = 450,653.97 × 100,750.13
  4. Step 4: Simplify right side
    300,445.10x = 45,403,443,809.25
  5. Step 5: Solve for x
    x = 45,403,443,809.25/300,445.10
  6. Step 6: Final answer
    x = 151,120.60

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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.