Home / 274,210.07-378,408.60-153,351.84

Finding the Fourth Proportional to 274,210.07, 378,408.60 and 153,351.84

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Solution

The fourth proportional to 274,210.07, 378,408.60 and 153,351.84 is: 211,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,210.07 : 378,408.60 = 153,351.84 : x
  2. Step 2: Convert to fraction form
    274,210.07/378,408.60 = 153,351.84/x
  3. Step 3: Cross multiply
    274,210.07x = 378,408.60 × 153,351.84
  4. Step 4: Simplify right side
    274,210.07x = 58,029,653,710.64
  5. Step 5: Solve for x
    x = 58,029,653,710.64/274,210.07
  6. Step 6: Final answer
    x = 211,624.81

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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.