Home / 810,155.21-1,215,217.16-241,921.32

Finding the Fourth Proportional to 810,155.21, 1,215,217.16 and 241,921.32

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Solution

The fourth proportional to 810,155.21, 1,215,217.16 and 241,921.32 is: 362,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,155.21 : 1,215,217.16 = 241,921.32 : x
  2. Step 2: Convert to fraction form
    810,155.21/1,215,217.16 = 241,921.32/x
  3. Step 3: Cross multiply
    810,155.21x = 1,215,217.16 × 241,921.32
  4. Step 4: Simplify right side
    810,155.21x = 293,986,938,224.25
  5. Step 5: Solve for x
    x = 293,986,938,224.25/810,155.21
  6. Step 6: Final answer
    x = 362,877.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.