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Finding the Fourth Proportional to 358,033.56, 537,010.22 and 91,800.34

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Solution

The fourth proportional to 358,033.56, 537,010.22 and 91,800.34 is: 137,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,033.56 : 537,010.22 = 91,800.34 : x
  2. Step 2: Convert to fraction form
    358,033.56/537,010.22 = 91,800.34/x
  3. Step 3: Cross multiply
    358,033.56x = 537,010.22 × 91,800.34
  4. Step 4: Simplify right side
    358,033.56x = 49,297,720,779.47
  5. Step 5: Solve for x
    x = 49,297,720,779.47/358,033.56
  6. Step 6: Final answer
    x = 137,690.22

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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.