Home / 455,515.10-682,522.91-155,831.85

Finding the Fourth Proportional to 455,515.10, 682,522.91 and 155,831.85

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Solution

The fourth proportional to 455,515.10, 682,522.91 and 155,831.85 is: 233,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,515.10 : 682,522.91 = 155,831.85 : x
  2. Step 2: Convert to fraction form
    455,515.10/682,522.91 = 155,831.85/x
  3. Step 3: Cross multiply
    455,515.10x = 682,522.91 × 155,831.85
  4. Step 4: Simplify right side
    455,515.10x = 106,358,809,633.78
  5. Step 5: Solve for x
    x = 106,358,809,633.78/455,515.10
  6. Step 6: Final answer
    x = 233,491.30

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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.