Finding the Fourth Proportional to 372,680.07, 514,283.17 and 211,532.19
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Solution
The fourth proportional to 372,680.07, 514,283.17 and 211,532.19 is: 291,905.72
Step by Step Solution
- Step 1: Write the proportion equation
372,680.07 : 514,283.17 = 211,532.19 : x - Step 2: Convert to fraction form
372,680.07/514,283.17 = 211,532.19/x - Step 3: Cross multiply
372,680.07x = 514,283.17 × 211,532.19 - Step 4: Simplify right side
372,680.07x = 108,787,445,230.24 - Step 5: Solve for x
x = 108,787,445,230.24/372,680.07 - Step 6: Final answer
x = 291,905.72
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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.