Home / 380,834.54-571,257.48-144,113.66

Finding the Fourth Proportional to 380,834.54, 571,257.48 and 144,113.66

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Solution

The fourth proportional to 380,834.54, 571,257.48 and 144,113.66 is: 216,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,834.54 : 571,257.48 = 144,113.66 : x
  2. Step 2: Convert to fraction form
    380,834.54/571,257.48 = 144,113.66/x
  3. Step 3: Cross multiply
    380,834.54x = 571,257.48 × 144,113.66
  4. Step 4: Simplify right side
    380,834.54x = 82,326,006,245.18
  5. Step 5: Solve for x
    x = 82,326,006,245.18/380,834.54
  6. Step 6: Final answer
    x = 216,172.64

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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.