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Finding the Fourth Proportional to 376,959.82, 520,280.22 and 223,968.58

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Solution

The fourth proportional to 376,959.82, 520,280.22 and 223,968.58 is: 309,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,959.82 : 520,280.22 = 223,968.58 : x
  2. Step 2: Convert to fraction form
    376,959.82/520,280.22 = 223,968.58/x
  3. Step 3: Cross multiply
    376,959.82x = 520,280.22 × 223,968.58
  4. Step 4: Simplify right side
    376,959.82x = 116,526,422,075.49
  5. Step 5: Solve for x
    x = 116,526,422,075.49/376,959.82
  6. Step 6: Final answer
    x = 309,121.60

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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.