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Finding the Fourth Proportional to 188,389.98, 282,628.77 and 62,031.32

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Solution

The fourth proportional to 188,389.98, 282,628.77 and 62,031.32 is: 93,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,389.98 : 282,628.77 = 62,031.32 : x
  2. Step 2: Convert to fraction form
    188,389.98/282,628.77 = 62,031.32/x
  3. Step 3: Cross multiply
    188,389.98x = 282,628.77 × 62,031.32
  4. Step 4: Simplify right side
    188,389.98x = 17,531,836,413.57
  5. Step 5: Solve for x
    x = 17,531,836,413.57/188,389.98
  6. Step 6: Final answer
    x = 93,061.40

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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.