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Finding the Fourth Proportional to 522,269.64, 783,351 and 167,538.24

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Solution

The fourth proportional to 522,269.64, 783,351 and 167,538.24 is: 251,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,269.64 : 783,351 = 167,538.24 : x
  2. Step 2: Convert to fraction form
    522,269.64/783,351 = 167,538.24/x
  3. Step 3: Cross multiply
    522,269.64x = 783,351 × 167,538.24
  4. Step 4: Simplify right side
    522,269.64x = 131,241,247,842.24
  5. Step 5: Solve for x
    x = 131,241,247,842.24/522,269.64
  6. Step 6: Final answer
    x = 251,290.21

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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.