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Finding the Fourth Proportional to 444,312.95, 613,149.01 and 240,363.05

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Solution

The fourth proportional to 444,312.95, 613,149.01 and 240,363.05 is: 331,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,312.95 : 613,149.01 = 240,363.05 : x
  2. Step 2: Convert to fraction form
    444,312.95/613,149.01 = 240,363.05/x
  3. Step 3: Cross multiply
    444,312.95x = 613,149.01 × 240,363.05
  4. Step 4: Simplify right side
    444,312.95x = 147,378,362,481.43
  5. Step 5: Solve for x
    x = 147,378,362,481.43/444,312.95
  6. Step 6: Final answer
    x = 331,699.46

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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.