Home / 252,297.09-378,393.26-74,762.37

Finding the Fourth Proportional to 252,297.09, 378,393.26 and 74,762.37

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Solution

The fourth proportional to 252,297.09, 378,393.26 and 74,762.37 is: 112,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,297.09 : 378,393.26 = 74,762.37 : x
  2. Step 2: Convert to fraction form
    252,297.09/378,393.26 = 74,762.37/x
  3. Step 3: Cross multiply
    252,297.09x = 378,393.26 × 74,762.37
  4. Step 4: Simplify right side
    252,297.09x = 28,289,576,535.81
  5. Step 5: Solve for x
    x = 28,289,576,535.81/252,297.09
  6. Step 6: Final answer
    x = 112,128.03

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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.