Finding the Fourth Proportional to 203,962.08, 305,838.08 and 91,545.93
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Solution
The fourth proportional to 203,962.08, 305,838.08 and 91,545.93 is: 137,271.75
Step by Step Solution
- Step 1: Write the proportion equation
203,962.08 : 305,838.08 = 91,545.93 : x - Step 2: Convert to fraction form
203,962.08/305,838.08 = 91,545.93/x - Step 3: Cross multiply
203,962.08x = 305,838.08 × 91,545.93 - Step 4: Simplify right side
203,962.08x = 27,998,231,348.58 - Step 5: Solve for x
x = 27,998,231,348.58/203,962.08 - Step 6: Final answer
x = 137,271.75
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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.