Home / 273,931.56-378,018.30-153,073.83

Finding the Fourth Proportional to 273,931.56, 378,018.30 and 153,073.83

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Solution

The fourth proportional to 273,931.56, 378,018.30 and 153,073.83 is: 211,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,931.56 : 378,018.30 = 153,073.83 : x
  2. Step 2: Convert to fraction form
    273,931.56/378,018.30 = 153,073.83/x
  3. Step 3: Cross multiply
    273,931.56x = 378,018.30 × 153,073.83
  4. Step 4: Simplify right side
    273,931.56x = 57,864,708,991.09
  5. Step 5: Solve for x
    x = 57,864,708,991.09/273,931.56
  6. Step 6: Final answer
    x = 211,237.83

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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.