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Finding the Fourth Proportional to 369,989.58, 510,586.90 and 200,223.66

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Solution

The fourth proportional to 369,989.58, 510,586.90 and 200,223.66 is: 276,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,989.58 : 510,586.90 = 200,223.66 : x
  2. Step 2: Convert to fraction form
    369,989.58/510,586.90 = 200,223.66/x
  3. Step 3: Cross multiply
    369,989.58x = 510,586.90 × 200,223.66
  4. Step 4: Simplify right side
    369,989.58x = 102,231,577,866.05
  5. Step 5: Solve for x
    x = 102,231,577,866.05/369,989.58
  6. Step 6: Final answer
    x = 276,309.34

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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.