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Finding the Fourth Proportional to 212,882.64, 293,780.04 and 117,392.76

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Solution

The fourth proportional to 212,882.64, 293,780.04 and 117,392.76 is: 162,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,882.64 : 293,780.04 = 117,392.76 : x
  2. Step 2: Convert to fraction form
    212,882.64/293,780.04 = 117,392.76/x
  3. Step 3: Cross multiply
    212,882.64x = 293,780.04 × 117,392.76
  4. Step 4: Simplify right side
    212,882.64x = 34,487,649,728.51
  5. Step 5: Solve for x
    x = 34,487,649,728.51/212,882.64
  6. Step 6: Final answer
    x = 162,003.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.