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Finding the Fourth Proportional to 449,597, 620,461.68 and 258,610.16

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Solution

The fourth proportional to 449,597, 620,461.68 and 258,610.16 is: 356,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,597 : 620,461.68 = 258,610.16 : x
  2. Step 2: Convert to fraction form
    449,597/620,461.68 = 258,610.16/x
  3. Step 3: Cross multiply
    449,597x = 620,461.68 × 258,610.16
  4. Step 4: Simplify right side
    449,597x = 160,457,694,338.67
  5. Step 5: Solve for x
    x = 160,457,694,338.67/449,597
  6. Step 6: Final answer
    x = 356,892.27

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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.