Home / 325,637.60-488,456.40-231,159.20

Finding the Fourth Proportional to 325,637.60, 488,456.40 and 231,159.20

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Solution

The fourth proportional to 325,637.60, 488,456.40 and 231,159.20 is: 346,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,637.60 : 488,456.40 = 231,159.20 : x
  2. Step 2: Convert to fraction form
    325,637.60/488,456.40 = 231,159.20/x
  3. Step 3: Cross multiply
    325,637.60x = 488,456.40 × 231,159.20
  4. Step 4: Simplify right side
    325,637.60x = 112,911,190,658.88
  5. Step 5: Solve for x
    x = 112,911,190,658.88/325,637.60
  6. Step 6: Final answer
    x = 346,738.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.