Finding the Fourth Proportional to 168,519.24, 232,160.99 and 117,439.11
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Solution
The fourth proportional to 168,519.24, 232,160.99 and 117,439.11 is: 161,790.31
Step by Step Solution
- Step 1: Write the proportion equation
168,519.24 : 232,160.99 = 117,439.11 : x - Step 2: Convert to fraction form
168,519.24/232,160.99 = 117,439.11/x - Step 3: Cross multiply
168,519.24x = 232,160.99 × 117,439.11 - Step 4: Simplify right side
168,519.24x = 27,264,779,455.12 - Step 5: Solve for x
x = 27,264,779,455.12/168,519.24 - Step 6: Final answer
x = 161,790.31
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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.