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Finding the Fourth Proportional to 448,088, 618,363.36 and 246,879.68

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Solution

The fourth proportional to 448,088, 618,363.36 and 246,879.68 is: 340,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,088 : 618,363.36 = 246,879.68 : x
  2. Step 2: Convert to fraction form
    448,088/618,363.36 = 246,879.68/x
  3. Step 3: Cross multiply
    448,088x = 618,363.36 × 246,879.68
  4. Step 4: Simplify right side
    448,088x = 152,661,348,440.53
  5. Step 5: Solve for x
    x = 152,661,348,440.53/448,088
  6. Step 6: Final answer
    x = 340,695.02

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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.