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Finding the Fourth Proportional to 237,034.61, 355,505.53 and 197,308.78

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Solution

The fourth proportional to 237,034.61, 355,505.53 and 197,308.78 is: 295,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,034.61 : 355,505.53 = 197,308.78 : x
  2. Step 2: Convert to fraction form
    237,034.61/355,505.53 = 197,308.78/x
  3. Step 3: Cross multiply
    237,034.61x = 355,505.53 × 197,308.78
  4. Step 4: Simplify right side
    237,034.61x = 70,144,361,063.00
  5. Step 5: Solve for x
    x = 70,144,361,063.00/237,034.61
  6. Step 6: Final answer
    x = 295,924.55

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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.