Finding the Fourth Proportional to 284,653.50, 392,717.97 and 219,262.14
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Solution
The fourth proportional to 284,653.50, 392,717.97 and 219,262.14 is: 302,501.75
Step by Step Solution
- Step 1: Write the proportion equation
284,653.50 : 392,717.97 = 219,262.14 : x - Step 2: Convert to fraction form
284,653.50/392,717.97 = 219,262.14/x - Step 3: Cross multiply
284,653.50x = 392,717.97 × 219,262.14 - Step 4: Simplify right side
284,653.50x = 86,108,182,518.66 - Step 5: Solve for x
x = 86,108,182,518.66/284,653.50 - Step 6: Final answer
x = 302,501.75
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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.