Home / 395,222.84-592,928.58-128,983.85

Finding the Fourth Proportional to 395,222.84, 592,928.58 and 128,983.85

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Solution

The fourth proportional to 395,222.84, 592,928.58 and 128,983.85 is: 193,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,222.84 : 592,928.58 = 128,983.85 : x
  2. Step 2: Convert to fraction form
    395,222.84/592,928.58 = 128,983.85/x
  3. Step 3: Cross multiply
    395,222.84x = 592,928.58 × 128,983.85
  4. Step 4: Simplify right side
    395,222.84x = 76,478,207,413.87
  5. Step 5: Solve for x
    x = 76,478,207,413.87/395,222.84
  6. Step 6: Final answer
    x = 193,506.55

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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.