Finding the Fourth Proportional to 224,747.73, 310,125.92 and 129,285.18
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Solution
The fourth proportional to 224,747.73, 310,125.92 and 129,285.18 is: 178,398.62
Step by Step Solution
- Step 1: Write the proportion equation
224,747.73 : 310,125.92 = 129,285.18 : x - Step 2: Convert to fraction form
224,747.73/310,125.92 = 129,285.18/x - Step 3: Cross multiply
224,747.73x = 310,125.92 × 129,285.18 - Step 4: Simplify right side
224,747.73x = 40,094,684,743.44 - Step 5: Solve for x
x = 40,094,684,743.44/224,747.73 - Step 6: Final answer
x = 178,398.62
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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.