Home / 355,947.58-491,207.85-194,802.53

Finding the Fourth Proportional to 355,947.58, 491,207.85 and 194,802.53

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Solution

The fourth proportional to 355,947.58, 491,207.85 and 194,802.53 is: 268,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,947.58 : 491,207.85 = 194,802.53 : x
  2. Step 2: Convert to fraction form
    355,947.58/491,207.85 = 194,802.53/x
  3. Step 3: Cross multiply
    355,947.58x = 491,207.85 × 194,802.53
  4. Step 4: Simplify right side
    355,947.58x = 95,688,530,961.85
  5. Step 5: Solve for x
    x = 95,688,530,961.85/355,947.58
  6. Step 6: Final answer
    x = 268,827.60

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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.