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Finding the Fourth Proportional to 424,132.56, 636,218.28 and 300,027.60

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Solution

The fourth proportional to 424,132.56, 636,218.28 and 300,027.60 is: 450,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,132.56 : 636,218.28 = 300,027.60 : x
  2. Step 2: Convert to fraction form
    424,132.56/636,218.28 = 300,027.60/x
  3. Step 3: Cross multiply
    424,132.56x = 636,218.28 × 300,027.60
  4. Step 4: Simplify right side
    424,132.56x = 190,883,043,624.53
  5. Step 5: Solve for x
    x = 190,883,043,624.53/424,132.56
  6. Step 6: Final answer
    x = 450,055.15

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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.