Home / 456,126.52-629,427.48-252,165.22

Finding the Fourth Proportional to 456,126.52, 629,427.48 and 252,165.22

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Solution

The fourth proportional to 456,126.52, 629,427.48 and 252,165.22 is: 347,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,126.52 : 629,427.48 = 252,165.22 : x
  2. Step 2: Convert to fraction form
    456,126.52/629,427.48 = 252,165.22/x
  3. Step 3: Cross multiply
    456,126.52x = 629,427.48 × 252,165.22
  4. Step 4: Simplify right side
    456,126.52x = 158,719,718,968.25
  5. Step 5: Solve for x
    x = 158,719,718,968.25/456,126.52
  6. Step 6: Final answer
    x = 347,973.01

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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.