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Finding the Fourth Proportional to 293,291.73, 439,258.01 and 250,128.45

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Solution

The fourth proportional to 293,291.73, 439,258.01 and 250,128.45 is: 374,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,291.73 : 439,258.01 = 250,128.45 : x
  2. Step 2: Convert to fraction form
    293,291.73/439,258.01 = 250,128.45/x
  3. Step 3: Cross multiply
    293,291.73x = 439,258.01 × 250,128.45
  4. Step 4: Simplify right side
    293,291.73x = 109,870,923,940.74
  5. Step 5: Solve for x
    x = 109,870,923,940.74/293,291.73
  6. Step 6: Final answer
    x = 374,613.10

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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.