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Finding the Fourth Proportional to 299,170.60, 412,015.60 and 292,638.76

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Solution

The fourth proportional to 299,170.60, 412,015.60 and 292,638.76 is: 403,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,170.60 : 412,015.60 = 292,638.76 : x
  2. Step 2: Convert to fraction form
    299,170.60/412,015.60 = 292,638.76/x
  3. Step 3: Cross multiply
    299,170.60x = 412,015.60 × 292,638.76
  4. Step 4: Simplify right side
    299,170.60x = 120,571,734,284.66
  5. Step 5: Solve for x
    x = 120,571,734,284.66/299,170.60
  6. Step 6: Final answer
    x = 403,020.00

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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.