Home / 328,991.46-493,669.65-160,513.18

Finding the Fourth Proportional to 328,991.46, 493,669.65 and 160,513.18

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Solution

The fourth proportional to 328,991.46, 493,669.65 and 160,513.18 is: 240,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,991.46 : 493,669.65 = 160,513.18 : x
  2. Step 2: Convert to fraction form
    328,991.46/493,669.65 = 160,513.18/x
  3. Step 3: Cross multiply
    328,991.46x = 493,669.65 × 160,513.18
  4. Step 4: Simplify right side
    328,991.46x = 79,240,484,758.74
  5. Step 5: Solve for x
    x = 79,240,484,758.74/328,991.46
  6. Step 6: Final answer
    x = 240,858.79

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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.