Finding the Fourth Proportional to 813,544.02, 1,220,177.30 and 214,511.08
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Solution
The fourth proportional to 813,544.02, 1,220,177.30 and 214,511.08 is: 321,730.04
Step by Step Solution
- Step 1: Write the proportion equation
813,544.02 : 1,220,177.30 = 214,511.08 : x - Step 2: Convert to fraction form
813,544.02/1,220,177.30 = 214,511.08/x - Step 3: Cross multiply
813,544.02x = 1,220,177.30 × 214,511.08 - Step 4: Simplify right side
813,544.02x = 261,741,550,414.48 - Step 5: Solve for x
x = 261,741,550,414.48/813,544.02 - Step 6: Final answer
x = 321,730.04
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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.