Home / 351,864.32-485,625.60-276,976.64

Finding the Fourth Proportional to 351,864.32, 485,625.60 and 276,976.64

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Solution

The fourth proportional to 351,864.32, 485,625.60 and 276,976.64 is: 382,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,864.32 : 485,625.60 = 276,976.64 : x
  2. Step 2: Convert to fraction form
    351,864.32/485,625.60 = 276,976.64/x
  3. Step 3: Cross multiply
    351,864.32x = 485,625.60 × 276,976.64
  4. Step 4: Simplify right side
    351,864.32x = 134,506,946,985.98
  5. Step 5: Solve for x
    x = 134,506,946,985.98/351,864.32
  6. Step 6: Final answer
    x = 382,269.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.