Finding the Fourth Proportional to 171,731.08, 236,869.14 and 165,950.92
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Solution
The fourth proportional to 171,731.08, 236,869.14 and 165,950.92 is: 228,896.55
Step by Step Solution
- Step 1: Write the proportion equation
171,731.08 : 236,869.14 = 165,950.92 : x - Step 2: Convert to fraction form
171,731.08/236,869.14 = 165,950.92/x - Step 3: Cross multiply
171,731.08x = 236,869.14 × 165,950.92 - Step 4: Simplify right side
171,731.08x = 39,308,651,702.61 - Step 5: Solve for x
x = 39,308,651,702.61/171,731.08 - Step 6: Final answer
x = 228,896.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.