Finding the Fourth Proportional to 343,680.79, 515,566.42 and 127,510.08
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Solution
The fourth proportional to 343,680.79, 515,566.42 and 127,510.08 is: 191,281.89
Step by Step Solution
- Step 1: Write the proportion equation
343,680.79 : 515,566.42 = 127,510.08 : x - Step 2: Convert to fraction form
343,680.79/515,566.42 = 127,510.08/x - Step 3: Cross multiply
343,680.79x = 515,566.42 × 127,510.08 - Step 4: Simplify right side
343,680.79x = 65,739,912,244.13 - Step 5: Solve for x
x = 65,739,912,244.13/343,680.79 - Step 6: Final answer
x = 191,281.89
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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.