Finding the Fourth Proportional to 176,893.05, 264,935.35 and 138,855.74
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Solution
The fourth proportional to 176,893.05, 264,935.35 and 138,855.74 is: 207,966.30
Step by Step Solution
- Step 1: Write the proportion equation
176,893.05 : 264,935.35 = 138,855.74 : x - Step 2: Convert to fraction form
176,893.05/264,935.35 = 138,855.74/x - Step 3: Cross multiply
176,893.05x = 264,935.35 × 138,855.74 - Step 4: Simplify right side
176,893.05x = 36,787,793,761.21 - Step 5: Solve for x
x = 36,787,793,761.21/176,893.05 - Step 6: Final answer
x = 207,966.30
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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.