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Finding the Fourth Proportional to 328,954.08, 453,956.64 and 178,051.20

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Solution

The fourth proportional to 328,954.08, 453,956.64 and 178,051.20 is: 245,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,954.08 : 453,956.64 = 178,051.20 : x
  2. Step 2: Convert to fraction form
    328,954.08/453,956.64 = 178,051.20/x
  3. Step 3: Cross multiply
    328,954.08x = 453,956.64 × 178,051.20
  4. Step 4: Simplify right side
    328,954.08x = 80,827,524,499.97
  5. Step 5: Solve for x
    x = 80,827,524,499.97/328,954.08
  6. Step 6: Final answer
    x = 245,710.66

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Why These Related Problems?

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