Home / 358,927.24-495,319.62-208,111.72

Finding the Fourth Proportional to 358,927.24, 495,319.62 and 208,111.72

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Solution

The fourth proportional to 358,927.24, 495,319.62 and 208,111.72 is: 287,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,927.24 : 495,319.62 = 208,111.72 : x
  2. Step 2: Convert to fraction form
    358,927.24/495,319.62 = 208,111.72/x
  3. Step 3: Cross multiply
    358,927.24x = 495,319.62 × 208,111.72
  4. Step 4: Simplify right side
    358,927.24x = 103,081,818,067.95
  5. Step 5: Solve for x
    x = 103,081,818,067.95/358,927.24
  6. Step 6: Final answer
    x = 287,194.19

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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.