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Finding the Fourth Proportional to 200,173.95, 300,259.71 and 80,285.04

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Solution

The fourth proportional to 200,173.95, 300,259.71 and 80,285.04 is: 120,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,173.95 : 300,259.71 = 80,285.04 : x
  2. Step 2: Convert to fraction form
    200,173.95/300,259.71 = 80,285.04/x
  3. Step 3: Cross multiply
    200,173.95x = 300,259.71 × 80,285.04
  4. Step 4: Simplify right side
    200,173.95x = 24,106,362,827.74
  5. Step 5: Solve for x
    x = 24,106,362,827.74/200,173.95
  6. Step 6: Final answer
    x = 120,427.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.