Finding the Fourth Proportional to 203,602.08, 305,435.52 and 98,428.80
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Solution
The fourth proportional to 203,602.08, 305,435.52 and 98,428.80 is: 147,658.86
Step by Step Solution
- Step 1: Write the proportion equation
203,602.08 : 305,435.52 = 98,428.80 : x - Step 2: Convert to fraction form
203,602.08/305,435.52 = 98,428.80/x - Step 3: Cross multiply
203,602.08x = 305,435.52 × 98,428.80 - Step 4: Simplify right side
203,602.08x = 30,063,651,710.98 - Step 5: Solve for x
x = 30,063,651,710.98/203,602.08 - Step 6: Final answer
x = 147,658.86
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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.