Home / 230,719.40-346,014.30-72,996.20

Finding the Fourth Proportional to 230,719.40, 346,014.30 and 72,996.20

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Solution

The fourth proportional to 230,719.40, 346,014.30 and 72,996.20 is: 109,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,719.40 : 346,014.30 = 72,996.20 : x
  2. Step 2: Convert to fraction form
    230,719.40/346,014.30 = 72,996.20/x
  3. Step 3: Cross multiply
    230,719.40x = 346,014.30 × 72,996.20
  4. Step 4: Simplify right side
    230,719.40x = 25,257,729,045.66
  5. Step 5: Solve for x
    x = 25,257,729,045.66/230,719.40
  6. Step 6: Final answer
    x = 109,473.80

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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.