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Finding the Fourth Proportional to 295,516.90, 443,275.35 and 118,051.30

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Solution

The fourth proportional to 295,516.90, 443,275.35 and 118,051.30 is: 177,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,516.90 : 443,275.35 = 118,051.30 : x
  2. Step 2: Convert to fraction form
    295,516.90/443,275.35 = 118,051.30/x
  3. Step 3: Cross multiply
    295,516.90x = 443,275.35 × 118,051.30
  4. Step 4: Simplify right side
    295,516.90x = 52,329,231,325.46
  5. Step 5: Solve for x
    x = 52,329,231,325.46/295,516.90
  6. Step 6: Final answer
    x = 177,076.95

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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.