Home / 369,986.57-510,583.06-200,220.69

Finding the Fourth Proportional to 369,986.57, 510,583.06 and 200,220.69

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Solution

The fourth proportional to 369,986.57, 510,583.06 and 200,220.69 is: 276,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.57 : 510,583.06 = 200,220.69 : x
  2. Step 2: Convert to fraction form
    369,986.57/510,583.06 = 200,220.69/x
  3. Step 3: Cross multiply
    369,986.57x = 510,583.06 × 200,220.69
  4. Step 4: Simplify right side
    369,986.57x = 102,229,294,740.47
  5. Step 5: Solve for x
    x = 102,229,294,740.47/369,986.57
  6. Step 6: Final answer
    x = 276,305.42

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1.5x scale

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.