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Finding the Fourth Proportional to 568,505.44, 852,609.60 and 169,038.72

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Solution

The fourth proportional to 568,505.44, 852,609.60 and 169,038.72 is: 253,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,505.44 : 852,609.60 = 169,038.72 : x
  2. Step 2: Convert to fraction form
    568,505.44/852,609.60 = 169,038.72/x
  3. Step 3: Cross multiply
    568,505.44x = 852,609.60 × 169,038.72
  4. Step 4: Simplify right side
    568,505.44x = 144,124,035,443.71
  5. Step 5: Solve for x
    x = 144,124,035,443.71/568,505.44
  6. Step 6: Final answer
    x = 253,513.91

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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.