Home / 380,982.46-571,433.58-156,366.62

Finding the Fourth Proportional to 380,982.46, 571,433.58 and 156,366.62

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Solution

The fourth proportional to 380,982.46, 571,433.58 and 156,366.62 is: 234,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,982.46 : 571,433.58 = 156,366.62 : x
  2. Step 2: Convert to fraction form
    380,982.46/571,433.58 = 156,366.62/x
  3. Step 3: Cross multiply
    380,982.46x = 571,433.58 × 156,366.62
  4. Step 4: Simplify right side
    380,982.46x = 89,353,137,459.10
  5. Step 5: Solve for x
    x = 89,353,137,459.10/380,982.46
  6. Step 6: Final answer
    x = 234,533.47

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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.