Home / 456,238.28-629,612.90-252,303

Finding the Fourth Proportional to 456,238.28, 629,612.90 and 252,303

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Solution

The fourth proportional to 456,238.28, 629,612.90 and 252,303 is: 348,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,238.28 : 629,612.90 = 252,303 : x
  2. Step 2: Convert to fraction form
    456,238.28/629,612.90 = 252,303/x
  3. Step 3: Cross multiply
    456,238.28x = 629,612.90 × 252,303
  4. Step 4: Simplify right side
    456,238.28x = 158,853,223,508.70
  5. Step 5: Solve for x
    x = 158,853,223,508.70/456,238.28
  6. Step 6: Final answer
    x = 348,180.39

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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.