Home / 328,989.12-493,409.88-151,325.52

Finding the Fourth Proportional to 328,989.12, 493,409.88 and 151,325.52

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Solution

The fourth proportional to 328,989.12, 493,409.88 and 151,325.52 is: 226,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,989.12 : 493,409.88 = 151,325.52 : x
  2. Step 2: Convert to fraction form
    328,989.12/493,409.88 = 151,325.52/x
  3. Step 3: Cross multiply
    328,989.12x = 493,409.88 × 151,325.52
  4. Step 4: Simplify right side
    328,989.12x = 74,665,506,664.14
  5. Step 5: Solve for x
    x = 74,665,506,664.14/328,989.12
  6. Step 6: Final answer
    x = 226,954.33

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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.