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Finding the Fourth Proportional to 448,689.48, 619,193.43 and 244,744.77

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Solution

The fourth proportional to 448,689.48, 619,193.43 and 244,744.77 is: 337,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,689.48 : 619,193.43 = 244,744.77 : x
  2. Step 2: Convert to fraction form
    448,689.48/619,193.43 = 244,744.77/x
  3. Step 3: Cross multiply
    448,689.48x = 619,193.43 × 244,744.77
  4. Step 4: Simplify right side
    448,689.48x = 151,544,353,610.86
  5. Step 5: Solve for x
    x = 151,544,353,610.86/448,689.48
  6. Step 6: Final answer
    x = 337,748.84

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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.