Finding the Fourth Proportional to 211,020.96, 316,562.73 and 61,262.49
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Solution
The fourth proportional to 211,020.96, 316,562.73 and 61,262.49 is: 91,902.82
Step by Step Solution
- Step 1: Write the proportion equation
211,020.96 : 316,562.73 = 61,262.49 : x - Step 2: Convert to fraction form
211,020.96/316,562.73 = 61,262.49/x - Step 3: Cross multiply
211,020.96x = 316,562.73 × 61,262.49 - Step 4: Simplify right side
211,020.96x = 19,393,421,081.00 - Step 5: Solve for x
x = 19,393,421,081.00/211,020.96 - Step 6: Final answer
x = 91,902.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.