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Finding the Fourth Proportional to 329,731.80, 494,597.70 and 310,048.80

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Solution

The fourth proportional to 329,731.80, 494,597.70 and 310,048.80 is: 465,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,731.80 : 494,597.70 = 310,048.80 : x
  2. Step 2: Convert to fraction form
    329,731.80/494,597.70 = 310,048.80/x
  3. Step 3: Cross multiply
    329,731.80x = 494,597.70 × 310,048.80
  4. Step 4: Simplify right side
    329,731.80x = 153,349,423,367.76
  5. Step 5: Solve for x
    x = 153,349,423,367.76/329,731.80
  6. Step 6: Final answer
    x = 465,073.20

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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.