Home / 328,764.30-493,000.65-151,325.70

Finding the Fourth Proportional to 328,764.30, 493,000.65 and 151,325.70

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Solution

The fourth proportional to 328,764.30, 493,000.65 and 151,325.70 is: 226,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,764.30 : 493,000.65 = 151,325.70 : x
  2. Step 2: Convert to fraction form
    328,764.30/493,000.65 = 151,325.70/x
  3. Step 3: Cross multiply
    328,764.30x = 493,000.65 × 151,325.70
  4. Step 4: Simplify right side
    328,764.30x = 74,603,668,461.71
  5. Step 5: Solve for x
    x = 74,603,668,461.71/328,764.30
  6. Step 6: Final answer
    x = 226,921.44

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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.