Home / 448,535.09-618,955.88-254,937.80

Finding the Fourth Proportional to 448,535.09, 618,955.88 and 254,937.80

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Solution

The fourth proportional to 448,535.09, 618,955.88 and 254,937.80 is: 351,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,535.09 : 618,955.88 = 254,937.80 : x
  2. Step 2: Convert to fraction form
    448,535.09/618,955.88 = 254,937.80/x
  3. Step 3: Cross multiply
    448,535.09x = 618,955.88 × 254,937.80
  4. Step 4: Simplify right side
    448,535.09x = 157,795,245,974.80
  5. Step 5: Solve for x
    x = 157,795,245,974.80/448,535.09
  6. Step 6: Final answer
    x = 351,801.34

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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.