Home / 297,997.20-446,900.76-98,280.36

Finding the Fourth Proportional to 297,997.20, 446,900.76 and 98,280.36

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Solution

The fourth proportional to 297,997.20, 446,900.76 and 98,280.36 is: 147,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,997.20 : 446,900.76 = 98,280.36 : x
  2. Step 2: Convert to fraction form
    297,997.20/446,900.76 = 98,280.36/x
  3. Step 3: Cross multiply
    297,997.20x = 446,900.76 × 98,280.36
  4. Step 4: Simplify right side
    297,997.20x = 43,921,567,577.07
  5. Step 5: Solve for x
    x = 43,921,567,577.07/297,997.20
  6. Step 6: Final answer
    x = 147,389.20

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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.