Home / 456,468.82-629,945.51-252,516.22

Finding the Fourth Proportional to 456,468.82, 629,945.51 and 252,516.22

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Solution

The fourth proportional to 456,468.82, 629,945.51 and 252,516.22 is: 348,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,468.82 : 629,945.51 = 252,516.22 : x
  2. Step 2: Convert to fraction form
    456,468.82/629,945.51 = 252,516.22/x
  3. Step 3: Cross multiply
    456,468.82x = 629,945.51 × 252,516.22
  4. Step 4: Simplify right side
    456,468.82x = 159,071,458,047.60
  5. Step 5: Solve for x
    x = 159,071,458,047.60/456,468.82
  6. Step 6: Final answer
    x = 348,482.64

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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.