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Finding the Fourth Proportional to 250,940.30, 346,274.60 and 148,948.34

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Solution

The fourth proportional to 250,940.30, 346,274.60 and 148,948.34 is: 205,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,940.30 : 346,274.60 = 148,948.34 : x
  2. Step 2: Convert to fraction form
    250,940.30/346,274.60 = 148,948.34/x
  3. Step 3: Cross multiply
    250,940.30x = 346,274.60 × 148,948.34
  4. Step 4: Simplify right side
    250,940.30x = 51,577,024,378.05
  5. Step 5: Solve for x
    x = 51,577,024,378.05/250,940.30
  6. Step 6: Final answer
    x = 205,535.04

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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.