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Finding the Fourth Proportional to 449,595.34, 620,434.34 and 245,641.88

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Solution

The fourth proportional to 449,595.34, 620,434.34 and 245,641.88 is: 338,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,595.34 : 620,434.34 = 245,641.88 : x
  2. Step 2: Convert to fraction form
    449,595.34/620,434.34 = 245,641.88/x
  3. Step 3: Cross multiply
    449,595.34x = 620,434.34 × 245,641.88
  4. Step 4: Simplify right side
    449,595.34x = 152,404,657,694.16
  5. Step 5: Solve for x
    x = 152,404,657,694.16/449,595.34
  6. Step 6: Final answer
    x = 338,981.84

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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.