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Finding the Fourth Proportional to 317,416.41, 476,258.20 and 197,573.60

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Solution

The fourth proportional to 317,416.41, 476,258.20 and 197,573.60 is: 296,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,416.41 : 476,258.20 = 197,573.60 : x
  2. Step 2: Convert to fraction form
    317,416.41/476,258.20 = 197,573.60/x
  3. Step 3: Cross multiply
    317,416.41x = 476,258.20 × 197,573.60
  4. Step 4: Simplify right side
    317,416.41x = 94,096,047,800.23
  5. Step 5: Solve for x
    x = 94,096,047,800.23/317,416.41
  6. Step 6: Final answer
    x = 296,443.55

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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.