Home / 448,271.46-618,577.29-257,244.30

Finding the Fourth Proportional to 448,271.46, 618,577.29 and 257,244.30

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Solution

The fourth proportional to 448,271.46, 618,577.29 and 257,244.30 is: 354,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,271.46 : 618,577.29 = 257,244.30 : x
  2. Step 2: Convert to fraction form
    448,271.46/618,577.29 = 257,244.30/x
  3. Step 3: Cross multiply
    448,271.46x = 618,577.29 × 257,244.30
  4. Step 4: Simplify right side
    448,271.46x = 159,125,481,961.95
  5. Step 5: Solve for x
    x = 159,125,481,961.95/448,271.46
  6. Step 6: Final answer
    x = 354,975.71

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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.