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Finding the Fourth Proportional to 250,680.33, 376,259.19 and 155,622.78

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Solution

The fourth proportional to 250,680.33, 376,259.19 and 155,622.78 is: 233,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,680.33 : 376,259.19 = 155,622.78 : x
  2. Step 2: Convert to fraction form
    250,680.33/376,259.19 = 155,622.78/x
  3. Step 3: Cross multiply
    250,680.33x = 376,259.19 × 155,622.78
  4. Step 4: Simplify right side
    250,680.33x = 58,554,501,148.35
  5. Step 5: Solve for x
    x = 58,554,501,148.35/250,680.33
  6. Step 6: Final answer
    x = 233,582.35

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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.