Home / 384,348.14-576,136.29-131,455.76

Finding the Fourth Proportional to 384,348.14, 576,136.29 and 131,455.76

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Solution

The fourth proportional to 384,348.14, 576,136.29 and 131,455.76 is: 197,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,348.14 : 576,136.29 = 131,455.76 : x
  2. Step 2: Convert to fraction form
    384,348.14/576,136.29 = 131,455.76/x
  3. Step 3: Cross multiply
    384,348.14x = 576,136.29 × 131,455.76
  4. Step 4: Simplify right side
    384,348.14x = 75,736,430,327.57
  5. Step 5: Solve for x
    x = 75,736,430,327.57/384,348.14
  6. Step 6: Final answer
    x = 197,051.64

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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.