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Finding the Fourth Proportional to 237,231.80, 355,847.70 and 148,585.40

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Solution

The fourth proportional to 237,231.80, 355,847.70 and 148,585.40 is: 222,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,231.80 : 355,847.70 = 148,585.40 : x
  2. Step 2: Convert to fraction form
    237,231.80/355,847.70 = 148,585.40/x
  3. Step 3: Cross multiply
    237,231.80x = 355,847.70 × 148,585.40
  4. Step 4: Simplify right side
    237,231.80x = 52,873,772,843.58
  5. Step 5: Solve for x
    x = 52,873,772,843.58/237,231.80
  6. Step 6: Final answer
    x = 222,878.10

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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.