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Finding the Fourth Proportional to 522,101.37, 783,152.73 and 143,025.47

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Solution

The fourth proportional to 522,101.37, 783,152.73 and 143,025.47 is: 214,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,101.37 : 783,152.73 = 143,025.47 : x
  2. Step 2: Convert to fraction form
    522,101.37/783,152.73 = 143,025.47/x
  3. Step 3: Cross multiply
    522,101.37x = 783,152.73 × 143,025.47
  4. Step 4: Simplify right side
    522,101.37x = 112,010,787,290.03
  5. Step 5: Solve for x
    x = 112,010,787,290.03/522,101.37
  6. Step 6: Final answer
    x = 214,538.39

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Similar ratio
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1.5x scale

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.