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Finding the Fourth Proportional to 251,021.90, 376,532.84 and 64,033.40

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Solution

The fourth proportional to 251,021.90, 376,532.84 and 64,033.40 is: 96,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,021.90 : 376,532.84 = 64,033.40 : x
  2. Step 2: Convert to fraction form
    251,021.90/376,532.84 = 64,033.40/x
  3. Step 3: Cross multiply
    251,021.90x = 376,532.84 × 64,033.40
  4. Step 4: Simplify right side
    251,021.90x = 24,110,679,058.27
  5. Step 5: Solve for x
    x = 24,110,679,058.27/251,021.90
  6. Step 6: Final answer
    x = 96,050.10

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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.