Home / 329,731.80-494,597.70-306,112.20

Finding the Fourth Proportional to 329,731.80, 494,597.70 and 306,112.20

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Solution

The fourth proportional to 329,731.80, 494,597.70 and 306,112.20 is: 459,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,731.80 : 494,597.70 = 306,112.20 : x
  2. Step 2: Convert to fraction form
    329,731.80/494,597.70 = 306,112.20/x
  3. Step 3: Cross multiply
    329,731.80x = 494,597.70 × 306,112.20
  4. Step 4: Simplify right side
    329,731.80x = 151,402,390,061.94
  5. Step 5: Solve for x
    x = 151,402,390,061.94/329,731.80
  6. Step 6: Final answer
    x = 459,168.30

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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.