Finding the Fourth Proportional to 119,832.29, 165,428.49 and 74,524.87
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Solution
The fourth proportional to 119,832.29, 165,428.49 and 74,524.87 is: 102,881.59
Step by Step Solution
- Step 1: Write the proportion equation
119,832.29 : 165,428.49 = 74,524.87 : x - Step 2: Convert to fraction form
119,832.29/165,428.49 = 74,524.87/x - Step 3: Cross multiply
119,832.29x = 165,428.49 × 74,524.87 - Step 4: Simplify right side
119,832.29x = 12,328,536,525.23 - Step 5: Solve for x
x = 12,328,536,525.23/119,832.29 - Step 6: Final answer
x = 102,881.59
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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.