Home / 395,433.64-545,701.10-214,145.72

Finding the Fourth Proportional to 395,433.64, 545,701.10 and 214,145.72

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Solution

The fourth proportional to 395,433.64, 545,701.10 and 214,145.72 is: 295,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,433.64 : 545,701.10 = 214,145.72 : x
  2. Step 2: Convert to fraction form
    395,433.64/545,701.10 = 214,145.72/x
  3. Step 3: Cross multiply
    395,433.64x = 545,701.10 × 214,145.72
  4. Step 4: Simplify right side
    395,433.64x = 116,859,554,964.29
  5. Step 5: Solve for x
    x = 116,859,554,964.29/395,433.64
  6. Step 6: Final answer
    x = 295,522.54

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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.