Finding the Fourth Proportional to 217,283.04, 326,047.68 and 117,440.82
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Solution
The fourth proportional to 217,283.04, 326,047.68 and 117,440.82 is: 176,227.78
Step by Step Solution
- Step 1: Write the proportion equation
217,283.04 : 326,047.68 = 117,440.82 : x - Step 2: Convert to fraction form
217,283.04/326,047.68 = 117,440.82/x - Step 3: Cross multiply
217,283.04x = 326,047.68 × 117,440.82 - Step 4: Simplify right side
217,283.04x = 38,291,306,898.30 - Step 5: Solve for x
x = 38,291,306,898.30/217,283.04 - Step 6: Final answer
x = 176,227.78
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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.