Home / 256,464.22-354,019.40-229,559.26

Finding the Fourth Proportional to 256,464.22, 354,019.40 and 229,559.26

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Solution

The fourth proportional to 256,464.22, 354,019.40 and 229,559.26 is: 316,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,464.22 : 354,019.40 = 229,559.26 : x
  2. Step 2: Convert to fraction form
    256,464.22/354,019.40 = 229,559.26/x
  3. Step 3: Cross multiply
    256,464.22x = 354,019.40 × 229,559.26
  4. Step 4: Simplify right side
    256,464.22x = 81,268,430,341.85
  5. Step 5: Solve for x
    x = 81,268,430,341.85/256,464.22
  6. Step 6: Final answer
    x = 316,880.19

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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.