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Finding the Fourth Proportional to 201,613.02, 302,463.27 and 61,368

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Solution

The fourth proportional to 201,613.02, 302,463.27 and 61,368 is: 92,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,613.02 : 302,463.27 = 61,368 : x
  2. Step 2: Convert to fraction form
    201,613.02/302,463.27 = 61,368/x
  3. Step 3: Cross multiply
    201,613.02x = 302,463.27 × 61,368
  4. Step 4: Simplify right side
    201,613.02x = 18,561,565,953.36
  5. Step 5: Solve for x
    x = 18,561,565,953.36/201,613.02
  6. Step 6: Final answer
    x = 92,065.31

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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.