Home / 541,528.20-812,068.74-204,511.50

Finding the Fourth Proportional to 541,528.20, 812,068.74 and 204,511.50

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Solution

The fourth proportional to 541,528.20, 812,068.74 and 204,511.50 is: 306,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,528.20 : 812,068.74 = 204,511.50 : x
  2. Step 2: Convert to fraction form
    541,528.20/812,068.74 = 204,511.50/x
  3. Step 3: Cross multiply
    541,528.20x = 812,068.74 × 204,511.50
  4. Step 4: Simplify right side
    541,528.20x = 166,077,396,120.51
  5. Step 5: Solve for x
    x = 166,077,396,120.51/541,528.20
  6. Step 6: Final answer
    x = 306,682.82

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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.