Home / 340,221.63-509,084.28-283,922.76

Finding the Fourth Proportional to 340,221.63, 509,084.28 and 283,922.76

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Solution

The fourth proportional to 340,221.63, 509,084.28 and 283,922.76 is: 424,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,221.63 : 509,084.28 = 283,922.76 : x
  2. Step 2: Convert to fraction form
    340,221.63/509,084.28 = 283,922.76/x
  3. Step 3: Cross multiply
    340,221.63x = 509,084.28 × 283,922.76
  4. Step 4: Simplify right side
    340,221.63x = 144,540,613,850.21
  5. Step 5: Solve for x
    x = 144,540,613,850.21/340,221.63
  6. Step 6: Final answer
    x = 424,842.52

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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.