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Finding the Fourth Proportional to 247,668.66, 341,779.74 and 134,492.22

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Solution

The fourth proportional to 247,668.66, 341,779.74 and 134,492.22 is: 185,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,668.66 : 341,779.74 = 134,492.22 : x
  2. Step 2: Convert to fraction form
    247,668.66/341,779.74 = 134,492.22/x
  3. Step 3: Cross multiply
    247,668.66x = 341,779.74 × 134,492.22
  4. Step 4: Simplify right side
    247,668.66x = 45,966,715,983.62
  5. Step 5: Solve for x
    x = 45,966,715,983.62/247,668.66
  6. Step 6: Final answer
    x = 185,597.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.