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Finding the Fourth Proportional to 449,246.54, 619,973 and 245,310.41

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Solution

The fourth proportional to 449,246.54, 619,973 and 245,310.41 is: 338,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,246.54 : 619,973 = 245,310.41 : x
  2. Step 2: Convert to fraction form
    449,246.54/619,973 = 245,310.41/x
  3. Step 3: Cross multiply
    449,246.54x = 619,973 × 245,310.41
  4. Step 4: Simplify right side
    449,246.54x = 152,085,830,818.93
  5. Step 5: Solve for x
    x = 152,085,830,818.93/449,246.54
  6. Step 6: Final answer
    x = 338,535.34

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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.