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Finding the Fourth Proportional to 358,610.49, 494,862.89 and 197,434.94

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Solution

The fourth proportional to 358,610.49, 494,862.89 and 197,434.94 is: 272,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,610.49 : 494,862.89 = 197,434.94 : x
  2. Step 2: Convert to fraction form
    358,610.49/494,862.89 = 197,434.94/x
  3. Step 3: Cross multiply
    358,610.49x = 494,862.89 × 197,434.94
  4. Step 4: Simplify right side
    358,610.49x = 97,703,221,533.89
  5. Step 5: Solve for x
    x = 97,703,221,533.89/358,610.49
  6. Step 6: Final answer
    x = 272,449.42

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1.5x scale

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.