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Finding the Fourth Proportional to 332,149.16, 458,361.54 and 181,243.56

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Solution

The fourth proportional to 332,149.16, 458,361.54 and 181,243.56 is: 250,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,149.16 : 458,361.54 = 181,243.56 : x
  2. Step 2: Convert to fraction form
    332,149.16/458,361.54 = 181,243.56/x
  3. Step 3: Cross multiply
    332,149.16x = 458,361.54 × 181,243.56
  4. Step 4: Simplify right side
    332,149.16x = 83,075,077,276.68
  5. Step 5: Solve for x
    x = 83,075,077,276.68/332,149.16
  6. Step 6: Final answer
    x = 250,113.77

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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.