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Finding the Fourth Proportional to 256,326.04, 351,160.84 and 246,742.40

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Solution

The fourth proportional to 256,326.04, 351,160.84 and 246,742.40 is: 338,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,326.04 : 351,160.84 = 246,742.40 : x
  2. Step 2: Convert to fraction form
    256,326.04/351,160.84 = 246,742.40/x
  3. Step 3: Cross multiply
    256,326.04x = 351,160.84 × 246,742.40
  4. Step 4: Simplify right side
    256,326.04x = 86,646,268,447.62
  5. Step 5: Solve for x
    x = 86,646,268,447.62/256,326.04
  6. Step 6: Final answer
    x = 338,031.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.