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Finding the Fourth Proportional to 448,398.72, 618,771 and 244,444.68

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Solution

The fourth proportional to 448,398.72, 618,771 and 244,444.68 is: 337,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,398.72 : 618,771 = 244,444.68 : x
  2. Step 2: Convert to fraction form
    448,398.72/618,771 = 244,444.68/x
  3. Step 3: Cross multiply
    448,398.72x = 618,771 × 244,444.68
  4. Step 4: Simplify right side
    448,398.72x = 151,255,279,088.28
  5. Step 5: Solve for x
    x = 151,255,279,088.28/448,398.72
  6. Step 6: Final answer
    x = 337,323.17

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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.