Finding the Fourth Proportional to 304,828.70, 420,577.68 and 175,757.02
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Solution
The fourth proportional to 304,828.70, 420,577.68 and 175,757.02 is: 242,495.15
Step by Step Solution
- Step 1: Write the proportion equation
304,828.70 : 420,577.68 = 175,757.02 : x - Step 2: Convert to fraction form
304,828.70/420,577.68 = 175,757.02/x - Step 3: Cross multiply
304,828.70x = 420,577.68 × 175,757.02 - Step 4: Simplify right side
304,828.70x = 73,919,479,322.96 - Step 5: Solve for x
x = 73,919,479,322.96/304,828.70 - Step 6: Final answer
x = 242,495.15
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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.