Home / 358,932.24-495,326.52-208,116.72

Finding the Fourth Proportional to 358,932.24, 495,326.52 and 208,116.72

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Solution

The fourth proportional to 358,932.24, 495,326.52 and 208,116.72 is: 287,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,932.24 : 495,326.52 = 208,116.72 : x
  2. Step 2: Convert to fraction form
    358,932.24/495,326.52 = 208,116.72/x
  3. Step 3: Cross multiply
    358,932.24x = 495,326.52 × 208,116.72
  4. Step 4: Simplify right side
    358,932.24x = 103,085,730,671.41
  5. Step 5: Solve for x
    x = 103,085,730,671.41/358,932.24
  6. Step 6: Final answer
    x = 287,201.09

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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.