Home / 329,413.23-454,638.96-208,565.78

Finding the Fourth Proportional to 329,413.23, 454,638.96 and 208,565.78

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Solution

The fourth proportional to 329,413.23, 454,638.96 and 208,565.78 is: 287,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,413.23 : 454,638.96 = 208,565.78 : x
  2. Step 2: Convert to fraction form
    329,413.23/454,638.96 = 208,565.78/x
  3. Step 3: Cross multiply
    329,413.23x = 454,638.96 × 208,565.78
  4. Step 4: Simplify right side
    329,413.23x = 94,822,127,037.59
  5. Step 5: Solve for x
    x = 94,822,127,037.59/329,413.23
  6. Step 6: Final answer
    x = 287,851.61

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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.