Home / 455,292.20-628,308.32-251,343.24

Finding the Fourth Proportional to 455,292.20, 628,308.32 and 251,343.24

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Solution

The fourth proportional to 455,292.20, 628,308.32 and 251,343.24 is: 346,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,292.20 : 628,308.32 = 251,343.24 : x
  2. Step 2: Convert to fraction form
    455,292.20/628,308.32 = 251,343.24/x
  3. Step 3: Cross multiply
    455,292.20x = 628,308.32 × 251,343.24
  4. Step 4: Simplify right side
    455,292.20x = 157,921,047,611.04
  5. Step 5: Solve for x
    x = 157,921,047,611.04/455,292.20
  6. Step 6: Final answer
    x = 346,856.48

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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.