Home / 439,924.40-659,821.80-124,413.20

Finding the Fourth Proportional to 439,924.40, 659,821.80 and 124,413.20

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Solution

The fourth proportional to 439,924.40, 659,821.80 and 124,413.20 is: 186,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,924.40 : 659,821.80 = 124,413.20 : x
  2. Step 2: Convert to fraction form
    439,924.40/659,821.80 = 124,413.20/x
  3. Step 3: Cross multiply
    439,924.40x = 659,821.80 × 124,413.20
  4. Step 4: Simplify right side
    439,924.40x = 82,090,541,567.76
  5. Step 5: Solve for x
    x = 82,090,541,567.76/439,924.40
  6. Step 6: Final answer
    x = 186,601.47

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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.