Home / 328,768.74-492,756.41-160,036.29

Finding the Fourth Proportional to 328,768.74, 492,756.41 and 160,036.29

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Solution

The fourth proportional to 328,768.74, 492,756.41 and 160,036.29 is: 239,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,768.74 : 492,756.41 = 160,036.29 : x
  2. Step 2: Convert to fraction form
    328,768.74/492,756.41 = 160,036.29/x
  3. Step 3: Cross multiply
    328,768.74x = 492,756.41 × 160,036.29
  4. Step 4: Simplify right side
    328,768.74x = 78,858,908,130.21
  5. Step 5: Solve for x
    x = 78,858,908,130.21/328,768.74
  6. Step 6: Final answer
    x = 239,861.33

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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.