Home / 358,434.58-494,635.80-197,286.16

Finding the Fourth Proportional to 358,434.58, 494,635.80 and 197,286.16

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Solution

The fourth proportional to 358,434.58, 494,635.80 and 197,286.16 is: 272,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,434.58 : 494,635.80 = 197,286.16 : x
  2. Step 2: Convert to fraction form
    358,434.58/494,635.80 = 197,286.16/x
  3. Step 3: Cross multiply
    358,434.58x = 494,635.80 × 197,286.16
  4. Step 4: Simplify right side
    358,434.58x = 97,584,797,580.53
  5. Step 5: Solve for x
    x = 97,584,797,580.53/358,434.58
  6. Step 6: Final answer
    x = 272,252.74

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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.