Finding the Fourth Proportional to 372,047.62, 513,443.26 and 210,905.80
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Solution
The fourth proportional to 372,047.62, 513,443.26 and 210,905.80 is: 291,059.95
Step by Step Solution
- Step 1: Write the proportion equation
372,047.62 : 513,443.26 = 210,905.80 : x - Step 2: Convert to fraction form
372,047.62/513,443.26 = 210,905.80/x - Step 3: Cross multiply
372,047.62x = 513,443.26 × 210,905.80 - Step 4: Simplify right side
372,047.62x = 108,288,161,504.91 - Step 5: Solve for x
x = 108,288,161,504.91/372,047.62 - Step 6: Final answer
x = 291,059.95
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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.