Home / 387,770.06-581,966.13-200,835.02

Finding the Fourth Proportional to 387,770.06, 581,966.13 and 200,835.02

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Solution

The fourth proportional to 387,770.06, 581,966.13 and 200,835.02 is: 301,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,770.06 : 581,966.13 = 200,835.02 : x
  2. Step 2: Convert to fraction form
    387,770.06/581,966.13 = 200,835.02/x
  3. Step 3: Cross multiply
    387,770.06x = 581,966.13 × 200,835.02
  4. Step 4: Simplify right side
    387,770.06x = 116,879,179,357.87
  5. Step 5: Solve for x
    x = 116,879,179,357.87/387,770.06
  6. Step 6: Final answer
    x = 301,413.62

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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.