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Finding the Fourth Proportional to 177,307.70, 265,961.55 and 170,309.30

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Solution

The fourth proportional to 177,307.70, 265,961.55 and 170,309.30 is: 255,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,307.70 : 265,961.55 = 170,309.30 : x
  2. Step 2: Convert to fraction form
    177,307.70/265,961.55 = 170,309.30/x
  3. Step 3: Cross multiply
    177,307.70x = 265,961.55 × 170,309.30
  4. Step 4: Simplify right side
    177,307.70x = 45,295,725,407.42
  5. Step 5: Solve for x
    x = 45,295,725,407.42/177,307.70
  6. Step 6: Final answer
    x = 255,463.95

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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.