Finding the Fourth Proportional to 211,545.93, 317,600.47 and 122,863.08
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Solution
The fourth proportional to 211,545.93, 317,600.47 and 122,863.08 is: 184,458.15
Step by Step Solution
- Step 1: Write the proportion equation
211,545.93 : 317,600.47 = 122,863.08 : x - Step 2: Convert to fraction form
211,545.93/317,600.47 = 122,863.08/x - Step 3: Cross multiply
211,545.93x = 317,600.47 × 122,863.08 - Step 4: Simplify right side
211,545.93x = 39,021,371,166.17 - Step 5: Solve for x
x = 39,021,371,166.17/211,545.93 - Step 6: Final answer
x = 184,458.15
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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.