Finding the Fourth Proportional to 214,894.62, 322,352.63 and 81,785.19
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Solution
The fourth proportional to 214,894.62, 322,352.63 and 81,785.19 is: 122,681.86
Step by Step Solution
- Step 1: Write the proportion equation
214,894.62 : 322,352.63 = 81,785.19 : x - Step 2: Convert to fraction form
214,894.62/322,352.63 = 81,785.19/x - Step 3: Cross multiply
214,894.62x = 322,352.63 × 81,785.19 - Step 4: Simplify right side
214,894.62x = 26,363,670,682.62 - Step 5: Solve for x
x = 26,363,670,682.62/214,894.62 - Step 6: Final answer
x = 122,681.86
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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.