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Finding the Fourth Proportional to 556,889.85, 835,333.83 and 201,903.30

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Solution

The fourth proportional to 556,889.85, 835,333.83 and 201,903.30 is: 302,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,889.85 : 835,333.83 = 201,903.30 : x
  2. Step 2: Convert to fraction form
    556,889.85/835,333.83 = 201,903.30/x
  3. Step 3: Cross multiply
    556,889.85x = 835,333.83 × 201,903.30
  4. Step 4: Simplify right side
    556,889.85x = 168,656,656,878.64
  5. Step 5: Solve for x
    x = 168,656,656,878.64/556,889.85
  6. Step 6: Final answer
    x = 302,854.61

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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.