Home / 448,087.17-618,335.85-254,490.09

Finding the Fourth Proportional to 448,087.17, 618,335.85 and 254,490.09

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Solution

The fourth proportional to 448,087.17, 618,335.85 and 254,490.09 is: 351,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,087.17 : 618,335.85 = 254,490.09 : x
  2. Step 2: Convert to fraction form
    448,087.17/618,335.85 = 254,490.09/x
  3. Step 3: Cross multiply
    448,087.17x = 618,335.85 × 254,490.09
  4. Step 4: Simplify right side
    448,087.17x = 157,360,346,116.73
  5. Step 5: Solve for x
    x = 157,360,346,116.73/448,087.17
  6. Step 6: Final answer
    x = 351,182.44

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1.5x scale

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.