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Finding the Fourth Proportional to 448,175, 618,481.50 and 246,971

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Solution

The fourth proportional to 448,175, 618,481.50 and 246,971 is: 340,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,175 : 618,481.50 = 246,971 : x
  2. Step 2: Convert to fraction form
    448,175/618,481.50 = 246,971/x
  3. Step 3: Cross multiply
    448,175x = 618,481.50 × 246,971
  4. Step 4: Simplify right side
    448,175x = 152,746,994,536.50
  5. Step 5: Solve for x
    x = 152,746,994,536.50/448,175
  6. Step 6: Final answer
    x = 340,819.98

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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.