Home / 369,962.88-510,549.36-200,197.12

Finding the Fourth Proportional to 369,962.88, 510,549.36 and 200,197.12

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Solution

The fourth proportional to 369,962.88, 510,549.36 and 200,197.12 is: 276,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,962.88 : 510,549.36 = 200,197.12 : x
  2. Step 2: Convert to fraction form
    369,962.88/510,549.36 = 200,197.12/x
  3. Step 3: Cross multiply
    369,962.88x = 510,549.36 × 200,197.12
  4. Step 4: Simplify right side
    369,962.88x = 102,210,511,489.84
  5. Step 5: Solve for x
    x = 102,210,511,489.84/369,962.88
  6. Step 6: Final answer
    x = 276,272.34

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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.