Home / 455,999.32-684,072.48-140,456.08

Finding the Fourth Proportional to 455,999.32, 684,072.48 and 140,456.08

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Solution

The fourth proportional to 455,999.32, 684,072.48 and 140,456.08 is: 210,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,999.32 : 684,072.48 = 140,456.08 : x
  2. Step 2: Convert to fraction form
    455,999.32/684,072.48 = 140,456.08/x
  3. Step 3: Cross multiply
    455,999.32x = 684,072.48 × 140,456.08
  4. Step 4: Simplify right side
    455,999.32x = 96,082,138,976.68
  5. Step 5: Solve for x
    x = 96,082,138,976.68/455,999.32
  6. Step 6: Final answer
    x = 210,706.76

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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.