Finding the Fourth Proportional to 205,309.63, 283,171.16 and 176,677.55
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Solution
The fourth proportional to 205,309.63, 283,171.16 and 176,677.55 is: 243,680.66
Step by Step Solution
- Step 1: Write the proportion equation
205,309.63 : 283,171.16 = 176,677.55 : x - Step 2: Convert to fraction form
205,309.63/283,171.16 = 176,677.55/x - Step 3: Cross multiply
205,309.63x = 283,171.16 × 176,677.55 - Step 4: Simplify right side
205,309.63x = 50,029,985,805.30 - Step 5: Solve for x
x = 50,029,985,805.30/205,309.63 - Step 6: Final answer
x = 243,680.66
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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.