Home / 456,131.66-629,434.60-252,170.39

Finding the Fourth Proportional to 456,131.66, 629,434.60 and 252,170.39

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Solution

The fourth proportional to 456,131.66, 629,434.60 and 252,170.39 is: 347,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,131.66 : 629,434.60 = 252,170.39 : x
  2. Step 2: Convert to fraction form
    456,131.66/629,434.60 = 252,170.39/x
  3. Step 3: Cross multiply
    456,131.66x = 629,434.60 × 252,170.39
  4. Step 4: Simplify right side
    456,131.66x = 158,724,768,089.91
  5. Step 5: Solve for x
    x = 158,724,768,089.91/456,131.66
  6. Step 6: Final answer
    x = 347,980.16

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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.