Home / 330,907.13-456,649.78-180,004.73

Finding the Fourth Proportional to 330,907.13, 456,649.78 and 180,004.73

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Solution

The fourth proportional to 330,907.13, 456,649.78 and 180,004.73 is: 248,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,907.13 : 456,649.78 = 180,004.73 : x
  2. Step 2: Convert to fraction form
    330,907.13/456,649.78 = 180,004.73/x
  3. Step 3: Cross multiply
    330,907.13x = 456,649.78 × 180,004.73
  4. Step 4: Simplify right side
    330,907.13x = 82,199,120,353.46
  5. Step 5: Solve for x
    x = 82,199,120,353.46/330,907.13
  6. Step 6: Final answer
    x = 248,405.41

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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.