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Finding the Fourth Proportional to 446,045, 615,551.26 and 252,452.70

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Solution

The fourth proportional to 446,045, 615,551.26 and 252,452.70 is: 348,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,045 : 615,551.26 = 252,452.70 : x
  2. Step 2: Convert to fraction form
    446,045/615,551.26 = 252,452.70/x
  3. Step 3: Cross multiply
    446,045x = 615,551.26 × 252,452.70
  4. Step 4: Simplify right side
    446,045x = 155,397,577,575.40
  5. Step 5: Solve for x
    x = 155,397,577,575.40/446,045
  6. Step 6: Final answer
    x = 348,389.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.