Finding the Fourth Proportional to 226,639.17, 312,827.99 and 151,187.49
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Solution
The fourth proportional to 226,639.17, 312,827.99 and 151,187.49 is: 208,682.72
Step by Step Solution
- Step 1: Write the proportion equation
226,639.17 : 312,827.99 = 151,187.49 : x - Step 2: Convert to fraction form
226,639.17/312,827.99 = 151,187.49/x - Step 3: Cross multiply
226,639.17x = 312,827.99 × 151,187.49 - Step 4: Simplify right side
226,639.17x = 47,295,677,853.91 - Step 5: Solve for x
x = 47,295,677,853.91/226,639.17 - Step 6: Final answer
x = 208,682.72
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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.