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Finding the Fourth Proportional to 471,335.58, 707,114.11 and 155,792.49

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Solution

The fourth proportional to 471,335.58, 707,114.11 and 155,792.49 is: 233,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,335.58 : 707,114.11 = 155,792.49 : x
  2. Step 2: Convert to fraction form
    471,335.58/707,114.11 = 155,792.49/x
  3. Step 3: Cross multiply
    471,335.58x = 707,114.11 × 155,792.49
  4. Step 4: Simplify right side
    471,335.58x = 110,163,067,521.55
  5. Step 5: Solve for x
    x = 110,163,067,521.55/471,335.58
  6. Step 6: Final answer
    x = 233,725.34

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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.