Home / 456,215.46-629,543.66-252,269.08

Finding the Fourth Proportional to 456,215.46, 629,543.66 and 252,269.08

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Solution

The fourth proportional to 456,215.46, 629,543.66 and 252,269.08 is: 348,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,215.46 : 629,543.66 = 252,269.08 : x
  2. Step 2: Convert to fraction form
    456,215.46/629,543.66 = 252,269.08/x
  3. Step 3: Cross multiply
    456,215.46x = 629,543.66 × 252,269.08
  4. Step 4: Simplify right side
    456,215.46x = 158,814,399,928.03
  5. Step 5: Solve for x
    x = 158,814,399,928.03/456,215.46
  6. Step 6: Final answer
    x = 348,112.71

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1.5x scale

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.