Home / 328,788.12-492,785.58-160,055.56

Finding the Fourth Proportional to 328,788.12, 492,785.58 and 160,055.56

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Solution

The fourth proportional to 328,788.12, 492,785.58 and 160,055.56 is: 239,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,788.12 : 492,785.58 = 160,055.56 : x
  2. Step 2: Convert to fraction form
    328,788.12/492,785.58 = 160,055.56/x
  3. Step 3: Cross multiply
    328,788.12x = 492,785.58 × 160,055.56
  4. Step 4: Simplify right side
    328,788.12x = 78,873,071,966.82
  5. Step 5: Solve for x
    x = 78,873,071,966.82/328,788.12
  6. Step 6: Final answer
    x = 239,890.27

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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.