Home / 455,142.12-682,713.52-155,624.95

Finding the Fourth Proportional to 455,142.12, 682,713.52 and 155,624.95

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Solution

The fourth proportional to 455,142.12, 682,713.52 and 155,624.95 is: 233,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,142.12 : 682,713.52 = 155,624.95 : x
  2. Step 2: Convert to fraction form
    455,142.12/682,713.52 = 155,624.95/x
  3. Step 3: Cross multiply
    455,142.12x = 682,713.52 × 155,624.95
  4. Step 4: Simplify right side
    455,142.12x = 106,247,255,318.48
  5. Step 5: Solve for x
    x = 106,247,255,318.48/455,142.12
  6. Step 6: Final answer
    x = 233,437.54

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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.