Home / 210,440.46-290,413.98-114,948.66

Finding the Fourth Proportional to 210,440.46, 290,413.98 and 114,948.66

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Solution

The fourth proportional to 210,440.46, 290,413.98 and 114,948.66 is: 158,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,440.46 : 290,413.98 = 114,948.66 : x
  2. Step 2: Convert to fraction form
    210,440.46/290,413.98 = 114,948.66/x
  3. Step 3: Cross multiply
    210,440.46x = 290,413.98 × 114,948.66
  4. Step 4: Simplify right side
    210,440.46x = 33,382,697,846.27
  5. Step 5: Solve for x
    x = 33,382,697,846.27/210,440.46
  6. Step 6: Final answer
    x = 158,632.51

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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.