Finding the Fourth Proportional to 304,663.41, 420,430.37 and 168,694.44
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Solution
The fourth proportional to 304,663.41, 420,430.37 and 168,694.44 is: 232,795.48
Step by Step Solution
- Step 1: Write the proportion equation
304,663.41 : 420,430.37 = 168,694.44 : x - Step 2: Convert to fraction form
304,663.41/420,430.37 = 168,694.44/x - Step 3: Cross multiply
304,663.41x = 420,430.37 × 168,694.44 - Step 4: Simplify right side
304,663.41x = 70,924,264,982.67 - Step 5: Solve for x
x = 70,924,264,982.67/304,663.41 - Step 6: Final answer
x = 232,795.48
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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.