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Finding the Fourth Proportional to 522,338.59, 783,485.99 and 167,344.75

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Solution

The fourth proportional to 522,338.59, 783,485.99 and 167,344.75 is: 251,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,338.59 : 783,485.99 = 167,344.75 : x
  2. Step 2: Convert to fraction form
    522,338.59/783,485.99 = 167,344.75/x
  3. Step 3: Cross multiply
    522,338.59x = 783,485.99 × 167,344.75
  4. Step 4: Simplify right side
    522,338.59x = 131,112,262,370.90
  5. Step 5: Solve for x
    x = 131,112,262,370.90/522,338.59
  6. Step 6: Final answer
    x = 251,010.10

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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.