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Finding the Fourth Proportional to 245,433.60, 368,150.40 and 217,877.40

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Solution

The fourth proportional to 245,433.60, 368,150.40 and 217,877.40 is: 326,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,433.60 : 368,150.40 = 217,877.40 : x
  2. Step 2: Convert to fraction form
    245,433.60/368,150.40 = 217,877.40/x
  3. Step 3: Cross multiply
    245,433.60x = 368,150.40 × 217,877.40
  4. Step 4: Simplify right side
    245,433.60x = 80,211,651,960.96
  5. Step 5: Solve for x
    x = 80,211,651,960.96/245,433.60
  6. Step 6: Final answer
    x = 326,816.10

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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.