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Finding the Fourth Proportional to 376,999.95, 520,263.41 and 204,918.32

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Solution

The fourth proportional to 376,999.95, 520,263.41 and 204,918.32 is: 282,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,999.95 : 520,263.41 = 204,918.32 : x
  2. Step 2: Convert to fraction form
    376,999.95/520,263.41 = 204,918.32/x
  3. Step 3: Cross multiply
    376,999.95x = 520,263.41 × 204,918.32
  4. Step 4: Simplify right side
    376,999.95x = 106,611,500,308.76
  5. Step 5: Solve for x
    x = 106,611,500,308.76/376,999.95
  6. Step 6: Final answer
    x = 282,789.17

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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.