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Finding the Fourth Proportional to 472,044.70, 707,968.65 and 172,666.30

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Solution

The fourth proportional to 472,044.70, 707,968.65 and 172,666.30 is: 258,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,044.70 : 707,968.65 = 172,666.30 : x
  2. Step 2: Convert to fraction form
    472,044.70/707,968.65 = 172,666.30/x
  3. Step 3: Cross multiply
    472,044.70x = 707,968.65 × 172,666.30
  4. Step 4: Simplify right side
    472,044.70x = 122,242,327,311.50
  5. Step 5: Solve for x
    x = 122,242,327,311.50/472,044.70
  6. Step 6: Final answer
    x = 258,963.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.