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Finding the Fourth Proportional to 475,797.80, 713,659.62 and 176,137.40

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Solution

The fourth proportional to 475,797.80, 713,659.62 and 176,137.40 is: 264,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,797.80 : 713,659.62 = 176,137.40 : x
  2. Step 2: Convert to fraction form
    475,797.80/713,659.62 = 176,137.40/x
  3. Step 3: Cross multiply
    475,797.80x = 713,659.62 × 176,137.40
  4. Step 4: Simplify right side
    475,797.80x = 125,702,149,951.79
  5. Step 5: Solve for x
    x = 125,702,149,951.79/475,797.80
  6. Step 6: Final answer
    x = 264,192.37

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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.