Home / 436,325.90-654,415.94-120,814.70

Finding the Fourth Proportional to 436,325.90, 654,415.94 and 120,814.70

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Solution

The fourth proportional to 436,325.90, 654,415.94 and 120,814.70 is: 181,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,325.90 : 654,415.94 = 120,814.70 : x
  2. Step 2: Convert to fraction form
    436,325.90/654,415.94 = 120,814.70/x
  3. Step 3: Cross multiply
    436,325.90x = 654,415.94 × 120,814.70
  4. Step 4: Simplify right side
    436,325.90x = 79,063,065,466.32
  5. Step 5: Solve for x
    x = 79,063,065,466.32/436,325.90
  6. Step 6: Final answer
    x = 181,201.86

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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.