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Finding the Fourth Proportional to 555,867.84, 833,790.24 and 135,145.92

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Solution

The fourth proportional to 555,867.84, 833,790.24 and 135,145.92 is: 202,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,867.84 : 833,790.24 = 135,145.92 : x
  2. Step 2: Convert to fraction form
    555,867.84/833,790.24 = 135,145.92/x
  3. Step 3: Cross multiply
    555,867.84x = 833,790.24 × 135,145.92
  4. Step 4: Simplify right side
    555,867.84x = 112,683,349,071.82
  5. Step 5: Solve for x
    x = 112,683,349,071.82/555,867.84
  6. Step 6: Final answer
    x = 202,716.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.