Home / 448,105.74-618,103.38-266,682.21

Finding the Fourth Proportional to 448,105.74, 618,103.38 and 266,682.21

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Solution

The fourth proportional to 448,105.74, 618,103.38 and 266,682.21 is: 367,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,105.74 : 618,103.38 = 266,682.21 : x
  2. Step 2: Convert to fraction form
    448,105.74/618,103.38 = 266,682.21/x
  3. Step 3: Cross multiply
    448,105.74x = 618,103.38 × 266,682.21
  4. Step 4: Simplify right side
    448,105.74x = 164,837,175,386.87
  5. Step 5: Solve for x
    x = 164,837,175,386.87/448,105.74
  6. Step 6: Final answer
    x = 367,853.30

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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.