Home / 273,944.18-378,051.04-153,085.75

Finding the Fourth Proportional to 273,944.18, 378,051.04 and 153,085.75

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Solution

The fourth proportional to 273,944.18, 378,051.04 and 153,085.75 is: 211,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,944.18 : 378,051.04 = 153,085.75 : x
  2. Step 2: Convert to fraction form
    273,944.18/378,051.04 = 153,085.75/x
  3. Step 3: Cross multiply
    273,944.18x = 378,051.04 × 153,085.75
  4. Step 4: Simplify right side
    273,944.18x = 57,874,226,184.75
  5. Step 5: Solve for x
    x = 57,874,226,184.75/273,944.18
  6. Step 6: Final answer
    x = 211,262.85

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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.