Home / 200,477.22-276,658.40-109,838.82

Finding the Fourth Proportional to 200,477.22, 276,658.40 and 109,838.82

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Solution

The fourth proportional to 200,477.22, 276,658.40 and 109,838.82 is: 151,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,477.22 : 276,658.40 = 109,838.82 : x
  2. Step 2: Convert to fraction form
    200,477.22/276,658.40 = 109,838.82/x
  3. Step 3: Cross multiply
    200,477.22x = 276,658.40 × 109,838.82
  4. Step 4: Simplify right side
    200,477.22x = 30,387,832,199.09
  5. Step 5: Solve for x
    x = 30,387,832,199.09/200,477.22
  6. Step 6: Final answer
    x = 151,577.48

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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.