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Finding the Fourth Proportional to 207,094.66, 310,186.66 and 171,148.58

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Solution

The fourth proportional to 207,094.66, 310,186.66 and 171,148.58 is: 256,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,094.66 : 310,186.66 = 171,148.58 : x
  2. Step 2: Convert to fraction form
    207,094.66/310,186.66 = 171,148.58/x
  3. Step 3: Cross multiply
    207,094.66x = 310,186.66 × 171,148.58
  4. Step 4: Simplify right side
    207,094.66x = 53,088,006,393.94
  5. Step 5: Solve for x
    x = 53,088,006,393.94/207,094.66
  6. Step 6: Final answer
    x = 256,346.57

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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.