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Finding the Fourth Proportional to 522,129.24, 783,194.46 and 143,053.26

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Solution

The fourth proportional to 522,129.24, 783,194.46 and 143,053.26 is: 214,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,129.24 : 783,194.46 = 143,053.26 : x
  2. Step 2: Convert to fraction form
    522,129.24/783,194.46 = 143,053.26/x
  3. Step 3: Cross multiply
    522,129.24x = 783,194.46 × 143,053.26
  4. Step 4: Simplify right side
    522,129.24x = 112,038,520,716.94
  5. Step 5: Solve for x
    x = 112,038,520,716.94/522,129.24
  6. Step 6: Final answer
    x = 214,580.05

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Similar ratio
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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.