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Finding the Fourth Proportional to 529,004.09, 793,536.13 and 169,206.55

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Solution

The fourth proportional to 529,004.09, 793,536.13 and 169,206.55 is: 253,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,004.09 : 793,536.13 = 169,206.55 : x
  2. Step 2: Convert to fraction form
    529,004.09/793,536.13 = 169,206.55/x
  3. Step 3: Cross multiply
    529,004.09x = 793,536.13 × 169,206.55
  4. Step 4: Simplify right side
    529,004.09x = 134,271,508,450.80
  5. Step 5: Solve for x
    x = 134,271,508,450.80/529,004.09
  6. Step 6: Final answer
    x = 253,819.41

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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.