Home / 328,349.03-492,538.46-100,628.28

Finding the Fourth Proportional to 328,349.03, 492,538.46 and 100,628.28

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Solution

The fourth proportional to 328,349.03, 492,538.46 and 100,628.28 is: 150,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,349.03 : 492,538.46 = 100,628.28 : x
  2. Step 2: Convert to fraction form
    328,349.03/492,538.46 = 100,628.28/x
  3. Step 3: Cross multiply
    328,349.03x = 492,538.46 × 100,628.28
  4. Step 4: Simplify right side
    328,349.03x = 49,563,297,560.51
  5. Step 5: Solve for x
    x = 49,563,297,560.51/328,349.03
  6. Step 6: Final answer
    x = 150,946.99

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1.5x scale

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.