Home / 456,120.66-629,341.88-272,323.42

Finding the Fourth Proportional to 456,120.66, 629,341.88 and 272,323.42

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Solution

The fourth proportional to 456,120.66, 629,341.88 and 272,323.42 is: 375,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,120.66 : 629,341.88 = 272,323.42 : x
  2. Step 2: Convert to fraction form
    456,120.66/629,341.88 = 272,323.42/x
  3. Step 3: Cross multiply
    456,120.66x = 629,341.88 × 272,323.42
  4. Step 4: Simplify right side
    456,120.66x = 171,384,533,110.83
  5. Step 5: Solve for x
    x = 171,384,533,110.83/456,120.66
  6. Step 6: Final answer
    x = 375,743.85

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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.