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Finding the Fourth Proportional to 248,114.22, 342,399.90 and 147,492.78

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Solution

The fourth proportional to 248,114.22, 342,399.90 and 147,492.78 is: 203,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.22 : 342,399.90 = 147,492.78 : x
  2. Step 2: Convert to fraction form
    248,114.22/342,399.90 = 147,492.78/x
  3. Step 3: Cross multiply
    248,114.22x = 342,399.90 × 147,492.78
  4. Step 4: Simplify right side
    248,114.22x = 50,501,513,122.72
  5. Step 5: Solve for x
    x = 50,501,513,122.72/248,114.22
  6. Step 6: Final answer
    x = 203,541.39

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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.