Home / 346,121.25-519,236.76-146,443.13

Finding the Fourth Proportional to 346,121.25, 519,236.76 and 146,443.13

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Solution

The fourth proportional to 346,121.25, 519,236.76 and 146,443.13 is: 219,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,121.25 : 519,236.76 = 146,443.13 : x
  2. Step 2: Convert to fraction form
    346,121.25/519,236.76 = 146,443.13/x
  3. Step 3: Cross multiply
    346,121.25x = 519,236.76 × 146,443.13
  4. Step 4: Simplify right side
    346,121.25x = 76,038,653,749.28
  5. Step 5: Solve for x
    x = 76,038,653,749.28/346,121.25
  6. Step 6: Final answer
    x = 219,687.91

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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.