Home / 218,942.14-328,413.22-52,730.14

Finding the Fourth Proportional to 218,942.14, 328,413.22 and 52,730.14

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Solution

The fourth proportional to 218,942.14, 328,413.22 and 52,730.14 is: 79,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,942.14 : 328,413.22 = 52,730.14 : x
  2. Step 2: Convert to fraction form
    218,942.14/328,413.22 = 52,730.14/x
  3. Step 3: Cross multiply
    218,942.14x = 328,413.22 × 52,730.14
  4. Step 4: Simplify right side
    218,942.14x = 17,317,275,068.45
  5. Step 5: Solve for x
    x = 17,317,275,068.45/218,942.14
  6. Step 6: Final answer
    x = 79,095.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.