Home / 442,027.20-609,976.32-251,015.36

Finding the Fourth Proportional to 442,027.20, 609,976.32 and 251,015.36

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Solution

The fourth proportional to 442,027.20, 609,976.32 and 251,015.36 is: 346,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,027.20 : 609,976.32 = 251,015.36 : x
  2. Step 2: Convert to fraction form
    442,027.20/609,976.32 = 251,015.36/x
  3. Step 3: Cross multiply
    442,027.20x = 609,976.32 × 251,015.36
  4. Step 4: Simplify right side
    442,027.20x = 153,113,425,556.28
  5. Step 5: Solve for x
    x = 153,113,425,556.28/442,027.20
  6. Step 6: Final answer
    x = 346,389.15

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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.