Finding the Fourth Proportional to 304,428.23, 420,104.67 and 168,462.08
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Solution
The fourth proportional to 304,428.23, 420,104.67 and 168,462.08 is: 232,474.20
Step by Step Solution
- Step 1: Write the proportion equation
304,428.23 : 420,104.67 = 168,462.08 : x - Step 2: Convert to fraction form
304,428.23/420,104.67 = 168,462.08/x - Step 3: Cross multiply
304,428.23x = 420,104.67 × 168,462.08 - Step 4: Simplify right side
304,428.23x = 70,771,707,732.14 - Step 5: Solve for x
x = 70,771,707,732.14/304,428.23 - Step 6: Final answer
x = 232,474.20
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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.