Home / 309,132.32-426,607.04-180,067.50

Finding the Fourth Proportional to 309,132.32, 426,607.04 and 180,067.50

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Solution

The fourth proportional to 309,132.32, 426,607.04 and 180,067.50 is: 248,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,132.32 : 426,607.04 = 180,067.50 : x
  2. Step 2: Convert to fraction form
    309,132.32/426,607.04 = 180,067.50/x
  3. Step 3: Cross multiply
    309,132.32x = 426,607.04 × 180,067.50
  4. Step 4: Simplify right side
    309,132.32x = 76,818,063,625.37
  5. Step 5: Solve for x
    x = 76,818,063,625.37/309,132.32
  6. Step 6: Final answer
    x = 248,495.73

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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.