Finding the Fourth Proportional to 176,658.82, 243,788.97 and 101,207.62
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Solution
The fourth proportional to 176,658.82, 243,788.97 and 101,207.62 is: 139,666.40
Step by Step Solution
- Step 1: Write the proportion equation
176,658.82 : 243,788.97 = 101,207.62 : x - Step 2: Convert to fraction form
176,658.82/243,788.97 = 101,207.62/x - Step 3: Cross multiply
176,658.82x = 243,788.97 × 101,207.62 - Step 4: Simplify right side
176,658.82x = 24,673,301,435.95 - Step 5: Solve for x
x = 24,673,301,435.95/176,658.82 - Step 6: Final answer
x = 139,666.40
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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.