Home / 358,472.07-494,691.33-197,326.32

Finding the Fourth Proportional to 358,472.07, 494,691.33 and 197,326.32

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Solution

The fourth proportional to 358,472.07, 494,691.33 and 197,326.32 is: 272,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,472.07 : 494,691.33 = 197,326.32 : x
  2. Step 2: Convert to fraction form
    358,472.07/494,691.33 = 197,326.32/x
  3. Step 3: Cross multiply
    358,472.07x = 494,691.33 × 197,326.32
  4. Step 4: Simplify right side
    358,472.07x = 97,615,619,684.81
  5. Step 5: Solve for x
    x = 97,615,619,684.81/358,472.07
  6. Step 6: Final answer
    x = 272,310.25

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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.