Home / 369,984.57-510,579.99-200,218.65

Finding the Fourth Proportional to 369,984.57, 510,579.99 and 200,218.65

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Solution

The fourth proportional to 369,984.57, 510,579.99 and 200,218.65 is: 276,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,984.57 : 510,579.99 = 200,218.65 : x
  2. Step 2: Convert to fraction form
    369,984.57/510,579.99 = 200,218.65/x
  3. Step 3: Cross multiply
    369,984.57x = 510,579.99 × 200,218.65
  4. Step 4: Simplify right side
    369,984.57x = 102,227,636,314.81
  5. Step 5: Solve for x
    x = 102,227,636,314.81/369,984.57
  6. Step 6: Final answer
    x = 276,302.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.