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Finding the Fourth Proportional to 248,683.80, 373,025.70 and 154,205.40

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Solution

The fourth proportional to 248,683.80, 373,025.70 and 154,205.40 is: 231,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,683.80 : 373,025.70 = 154,205.40 : x
  2. Step 2: Convert to fraction form
    248,683.80/373,025.70 = 154,205.40/x
  3. Step 3: Cross multiply
    248,683.80x = 373,025.70 × 154,205.40
  4. Step 4: Simplify right side
    248,683.80x = 57,522,577,278.78
  5. Step 5: Solve for x
    x = 57,522,577,278.78/248,683.80
  6. Step 6: Final answer
    x = 231,308.10

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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.