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Finding the Fourth Proportional to 201,340.02, 302,011.85 and 61,098.65

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Solution

The fourth proportional to 201,340.02, 302,011.85 and 61,098.65 is: 91,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,340.02 : 302,011.85 = 61,098.65 : x
  2. Step 2: Convert to fraction form
    201,340.02/302,011.85 = 61,098.65/x
  3. Step 3: Cross multiply
    201,340.02x = 302,011.85 × 61,098.65
  4. Step 4: Simplify right side
    201,340.02x = 18,452,514,503.45
  5. Step 5: Solve for x
    x = 18,452,514,503.45/201,340.02
  6. Step 6: Final answer
    x = 91,648.52

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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.