Home / 273,946.08-378,044.72-153,087.37

Finding the Fourth Proportional to 273,946.08, 378,044.72 and 153,087.37

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Solution

The fourth proportional to 273,946.08, 378,044.72 and 153,087.37 is: 211,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,946.08 : 378,044.72 = 153,087.37 : x
  2. Step 2: Convert to fraction form
    273,946.08/378,044.72 = 153,087.37/x
  3. Step 3: Cross multiply
    273,946.08x = 378,044.72 × 153,087.37
  4. Step 4: Simplify right side
    273,946.08x = 57,873,870,790.72
  5. Step 5: Solve for x
    x = 57,873,870,790.72/273,946.08
  6. Step 6: Final answer
    x = 211,260.08

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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.