Home / 329,943.20-455,321.60-179,040.20

Finding the Fourth Proportional to 329,943.20, 455,321.60 and 179,040.20

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Solution

The fourth proportional to 329,943.20, 455,321.60 and 179,040.20 is: 247,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,943.20 : 455,321.60 = 179,040.20 : x
  2. Step 2: Convert to fraction form
    329,943.20/455,321.60 = 179,040.20/x
  3. Step 3: Cross multiply
    329,943.20x = 455,321.60 × 179,040.20
  4. Step 4: Simplify right side
    329,943.20x = 81,520,867,156.51
  5. Step 5: Solve for x
    x = 81,520,867,156.51/329,943.20
  6. Step 6: Final answer
    x = 247,075.46

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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.