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Finding the Fourth Proportional to 478,950.35, 717,758.28 and 242,016.44

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Solution

The fourth proportional to 478,950.35, 717,758.28 and 242,016.44 is: 362,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,950.35 : 717,758.28 = 242,016.44 : x
  2. Step 2: Convert to fraction form
    478,950.35/717,758.28 = 242,016.44/x
  3. Step 3: Cross multiply
    478,950.35x = 717,758.28 × 242,016.44
  4. Step 4: Simplify right side
    478,950.35x = 173,709,300,117.33
  5. Step 5: Solve for x
    x = 173,709,300,117.33/478,950.35
  6. Step 6: Final answer
    x = 362,687.49

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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.