Home / 325,665.45-449,432.64-180,470.82

Finding the Fourth Proportional to 325,665.45, 449,432.64 and 180,470.82

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Solution

The fourth proportional to 325,665.45, 449,432.64 and 180,470.82 is: 249,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,665.45 : 449,432.64 = 180,470.82 : x
  2. Step 2: Convert to fraction form
    325,665.45/449,432.64 = 180,470.82/x
  3. Step 3: Cross multiply
    325,665.45x = 449,432.64 × 180,470.82
  4. Step 4: Simplify right side
    325,665.45x = 81,109,477,075.56
  5. Step 5: Solve for x
    x = 81,109,477,075.56/325,665.45
  6. Step 6: Final answer
    x = 249,057.67

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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.