Home / 448,277.21-618,622.78-254,685.26

Finding the Fourth Proportional to 448,277.21, 618,622.78 and 254,685.26

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Solution

The fourth proportional to 448,277.21, 618,622.78 and 254,685.26 is: 351,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.21 : 618,622.78 = 254,685.26 : x
  2. Step 2: Convert to fraction form
    448,277.21/618,622.78 = 254,685.26/x
  3. Step 3: Cross multiply
    448,277.21x = 618,622.78 × 254,685.26
  4. Step 4: Simplify right side
    448,277.21x = 157,554,099,199.68
  5. Step 5: Solve for x
    x = 157,554,099,199.68/448,277.21
  6. Step 6: Final answer
    x = 351,465.78

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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.