Home / 260,712.20-391,068.30-167,400.20

Finding the Fourth Proportional to 260,712.20, 391,068.30 and 167,400.20

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Solution

The fourth proportional to 260,712.20, 391,068.30 and 167,400.20 is: 251,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,712.20 : 391,068.30 = 167,400.20 : x
  2. Step 2: Convert to fraction form
    260,712.20/391,068.30 = 167,400.20/x
  3. Step 3: Cross multiply
    260,712.20x = 391,068.30 × 167,400.20
  4. Step 4: Simplify right side
    260,712.20x = 65,464,911,633.66
  5. Step 5: Solve for x
    x = 65,464,911,633.66/260,712.20
  6. Step 6: Final answer
    x = 251,100.30

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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.