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Finding the Fourth Proportional to 358,667.28, 494,873.80 and 236,146.64

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Solution

The fourth proportional to 358,667.28, 494,873.80 and 236,146.64 is: 325,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,667.28 : 494,873.80 = 236,146.64 : x
  2. Step 2: Convert to fraction form
    358,667.28/494,873.80 = 236,146.64/x
  3. Step 3: Cross multiply
    358,667.28x = 494,873.80 × 236,146.64
  4. Step 4: Simplify right side
    358,667.28x = 116,862,785,094.03
  5. Step 5: Solve for x
    x = 116,862,785,094.03/358,667.28
  6. Step 6: Final answer
    x = 325,825.05

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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.