Home / 328,536.05-492,864.92-103,953.02

Finding the Fourth Proportional to 328,536.05, 492,864.92 and 103,953.02

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Solution

The fourth proportional to 328,536.05, 492,864.92 and 103,953.02 is: 155,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536.05 : 492,864.92 = 103,953.02 : x
  2. Step 2: Convert to fraction form
    328,536.05/492,864.92 = 103,953.02/x
  3. Step 3: Cross multiply
    328,536.05x = 492,864.92 × 103,953.02
  4. Step 4: Simplify right side
    328,536.05x = 51,234,796,366.29
  5. Step 5: Solve for x
    x = 51,234,796,366.29/328,536.05
  6. Step 6: Final answer
    x = 155,948.78

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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.