Finding the Fourth Proportional to 304,458.24, 420,141.99 and 168,497.91
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Solution
The fourth proportional to 304,458.24, 420,141.99 and 168,497.91 is: 232,521.37
Step by Step Solution
- Step 1: Write the proportion equation
304,458.24 : 420,141.99 = 168,497.91 : x - Step 2: Convert to fraction form
304,458.24/420,141.99 = 168,497.91/x - Step 3: Cross multiply
304,458.24x = 420,141.99 × 168,497.91 - Step 4: Simplify right side
304,458.24x = 70,793,047,218.24 - Step 5: Solve for x
x = 70,793,047,218.24/304,458.24 - Step 6: Final answer
x = 232,521.37
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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.