Home / 455,831.80-683,747.70-156,272.20

Finding the Fourth Proportional to 455,831.80, 683,747.70 and 156,272.20

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Solution

The fourth proportional to 455,831.80, 683,747.70 and 156,272.20 is: 234,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,831.80 : 683,747.70 = 156,272.20 : x
  2. Step 2: Convert to fraction form
    455,831.80/683,747.70 = 156,272.20/x
  3. Step 3: Cross multiply
    455,831.80x = 683,747.70 × 156,272.20
  4. Step 4: Simplify right side
    455,831.80x = 106,850,757,323.94
  5. Step 5: Solve for x
    x = 106,850,757,323.94/455,831.80
  6. Step 6: Final answer
    x = 234,408.30

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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.