Finding the Fourth Proportional to 304,955.76, 420,841.44 and 168,991.98
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Solution
The fourth proportional to 304,955.76, 420,841.44 and 168,991.98 is: 233,210.31
Step by Step Solution
- Step 1: Write the proportion equation
304,955.76 : 420,841.44 = 168,991.98 : x - Step 2: Convert to fraction form
304,955.76/420,841.44 = 168,991.98/x - Step 3: Cross multiply
304,955.76x = 420,841.44 × 168,991.98 - Step 4: Simplify right side
304,955.76x = 71,118,825,262.48 - Step 5: Solve for x
x = 71,118,825,262.48/304,955.76 - Step 6: Final answer
x = 233,210.31
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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.