Home / 363,611.02-501,827.21-208,619.05

Finding the Fourth Proportional to 363,611.02, 501,827.21 and 208,619.05

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Solution

The fourth proportional to 363,611.02, 501,827.21 and 208,619.05 is: 287,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,611.02 : 501,827.21 = 208,619.05 : x
  2. Step 2: Convert to fraction form
    363,611.02/501,827.21 = 208,619.05/x
  3. Step 3: Cross multiply
    363,611.02x = 501,827.21 × 208,619.05
  4. Step 4: Simplify right side
    363,611.02x = 104,690,715,814.35
  5. Step 5: Solve for x
    x = 104,690,715,814.35/363,611.02
  6. Step 6: Final answer
    x = 287,919.54

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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.