Home / 358,305.90-494,465.65-197,164.42

Finding the Fourth Proportional to 358,305.90, 494,465.65 and 197,164.42

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Solution

The fourth proportional to 358,305.90, 494,465.65 and 197,164.42 is: 272,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,305.90 : 494,465.65 = 197,164.42 : x
  2. Step 2: Convert to fraction form
    358,305.90/494,465.65 = 197,164.42/x
  3. Step 3: Cross multiply
    358,305.90x = 494,465.65 × 197,164.42
  4. Step 4: Simplify right side
    358,305.90x = 97,491,030,619.84
  5. Step 5: Solve for x
    x = 97,491,030,619.84/358,305.90
  6. Step 6: Final answer
    x = 272,088.82

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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.