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Finding the Fourth Proportional to 319,599.94, 479,613.75 and 132,611.44

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Solution

The fourth proportional to 319,599.94, 479,613.75 and 132,611.44 is: 199,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,599.94 : 479,613.75 = 132,611.44 : x
  2. Step 2: Convert to fraction form
    319,599.94/479,613.75 = 132,611.44/x
  3. Step 3: Cross multiply
    319,599.94x = 479,613.75 × 132,611.44
  4. Step 4: Simplify right side
    319,599.94x = 63,602,270,031.30
  5. Step 5: Solve for x
    x = 63,602,270,031.30/319,599.94
  6. Step 6: Final answer
    x = 199,005.89

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1.5x scale

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.