Home / 448,388.06-618,780.31-247,191.26

Finding the Fourth Proportional to 448,388.06, 618,780.31 and 247,191.26

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Solution

The fourth proportional to 448,388.06, 618,780.31 and 247,191.26 is: 341,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,388.06 : 618,780.31 = 247,191.26 : x
  2. Step 2: Convert to fraction form
    448,388.06/618,780.31 = 247,191.26/x
  3. Step 3: Cross multiply
    448,388.06x = 618,780.31 × 247,191.26
  4. Step 4: Simplify right side
    448,388.06x = 152,957,084,492.09
  5. Step 5: Solve for x
    x = 152,957,084,492.09/448,388.06
  6. Step 6: Final answer
    x = 341,126.58

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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.