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Finding the Fourth Proportional to 363,632.64, 501,813.60 and 202,518.72

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Solution

The fourth proportional to 363,632.64, 501,813.60 and 202,518.72 is: 279,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,632.64 : 501,813.60 = 202,518.72 : x
  2. Step 2: Convert to fraction form
    363,632.64/501,813.60 = 202,518.72/x
  3. Step 3: Cross multiply
    363,632.64x = 501,813.60 × 202,518.72
  4. Step 4: Simplify right side
    363,632.64x = 101,626,647,950.59
  5. Step 5: Solve for x
    x = 101,626,647,950.59/363,632.64
  6. Step 6: Final answer
    x = 279,476.14

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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.