Home / 456,396.16-629,827.92-255,192.16

Finding the Fourth Proportional to 456,396.16, 629,827.92 and 255,192.16

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Solution

The fourth proportional to 456,396.16, 629,827.92 and 255,192.16 is: 352,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,396.16 : 629,827.92 = 255,192.16 : x
  2. Step 2: Convert to fraction form
    456,396.16/629,827.92 = 255,192.16/x
  3. Step 3: Cross multiply
    456,396.16x = 629,827.92 × 255,192.16
  4. Step 4: Simplify right side
    456,396.16x = 160,727,147,333.11
  5. Step 5: Solve for x
    x = 160,727,147,333.11/456,396.16
  6. Step 6: Final answer
    x = 352,165.86

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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.