Home / 358,659.36-494,951.40-205,703.46

Finding the Fourth Proportional to 358,659.36, 494,951.40 and 205,703.46

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Solution

The fourth proportional to 358,659.36, 494,951.40 and 205,703.46 is: 283,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,659.36 : 494,951.40 = 205,703.46 : x
  2. Step 2: Convert to fraction form
    358,659.36/494,951.40 = 205,703.46/x
  3. Step 3: Cross multiply
    358,659.36x = 494,951.40 × 205,703.46
  4. Step 4: Simplify right side
    358,659.36x = 101,813,215,511.84
  5. Step 5: Solve for x
    x = 101,813,215,511.84/358,659.36
  6. Step 6: Final answer
    x = 283,871.63

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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.