Home / 292,740.26-403,976.30-165,413.12

Finding the Fourth Proportional to 292,740.26, 403,976.30 and 165,413.12

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Solution

The fourth proportional to 292,740.26, 403,976.30 and 165,413.12 is: 228,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,740.26 : 403,976.30 = 165,413.12 : x
  2. Step 2: Convert to fraction form
    292,740.26/403,976.30 = 165,413.12/x
  3. Step 3: Cross multiply
    292,740.26x = 403,976.30 × 165,413.12
  4. Step 4: Simplify right side
    292,740.26x = 66,822,980,189.06
  5. Step 5: Solve for x
    x = 66,822,980,189.06/292,740.26
  6. Step 6: Final answer
    x = 228,267.13

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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.