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Finding the Fourth Proportional to 369,706.12, 510,194.64 and 199,940.28

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Solution

The fourth proportional to 369,706.12, 510,194.64 and 199,940.28 is: 275,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,706.12 : 510,194.64 = 199,940.28 : x
  2. Step 2: Convert to fraction form
    369,706.12/510,194.64 = 199,940.28/x
  3. Step 3: Cross multiply
    369,706.12x = 510,194.64 × 199,940.28
  4. Step 4: Simplify right side
    369,706.12x = 102,008,459,176.10
  5. Step 5: Solve for x
    x = 102,008,459,176.10/369,706.12
  6. Step 6: Final answer
    x = 275,917.69

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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.