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Finding the Fourth Proportional to 238,988.44, 358,536.67 and 79,064

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Solution

The fourth proportional to 238,988.44, 358,536.67 and 79,064 is: 118,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,988.44 : 358,536.67 = 79,064 : x
  2. Step 2: Convert to fraction form
    238,988.44/358,536.67 = 79,064/x
  3. Step 3: Cross multiply
    238,988.44x = 358,536.67 × 79,064
  4. Step 4: Simplify right side
    238,988.44x = 28,347,343,276.88
  5. Step 5: Solve for x
    x = 28,347,343,276.88/238,988.44
  6. Step 6: Final answer
    x = 118,613.87

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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.