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Finding the Fourth Proportional to 455,996.57, 684,068.36 and 140,453.33

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Solution

The fourth proportional to 455,996.57, 684,068.36 and 140,453.33 is: 210,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,996.57 : 684,068.36 = 140,453.33 : x
  2. Step 2: Convert to fraction form
    455,996.57/684,068.36 = 140,453.33/x
  3. Step 3: Cross multiply
    455,996.57x = 684,068.36 × 140,453.33
  4. Step 4: Simplify right side
    455,996.57x = 96,079,679,109.64
  5. Step 5: Solve for x
    x = 96,079,679,109.64/455,996.57
  6. Step 6: Final answer
    x = 210,702.64

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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.