Home / 456,140.16-629,448-252,179.18

Finding the Fourth Proportional to 456,140.16, 629,448 and 252,179.18

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Solution

The fourth proportional to 456,140.16, 629,448 and 252,179.18 is: 347,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,140.16 : 629,448 = 252,179.18 : x
  2. Step 2: Convert to fraction form
    456,140.16/629,448 = 252,179.18/x
  3. Step 3: Cross multiply
    456,140.16x = 629,448 × 252,179.18
  4. Step 4: Simplify right side
    456,140.16x = 158,733,677,345.40
  5. Step 5: Solve for x
    x = 158,733,677,345.40/456,140.16
  6. Step 6: Final answer
    x = 347,993.21

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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.