Finding the Fourth Proportional to 349,721.88, 525,107.70 and 200,131.08
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Solution
The fourth proportional to 349,721.88, 525,107.70 and 200,131.08 is: 300,496.99
Step by Step Solution
- Step 1: Write the proportion equation
349,721.88 : 525,107.70 = 200,131.08 : x - Step 2: Convert to fraction form
349,721.88/525,107.70 = 200,131.08/x - Step 3: Cross multiply
349,721.88x = 525,107.70 × 200,131.08 - Step 4: Simplify right side
349,721.88x = 105,090,371,117.32 - Step 5: Solve for x
x = 105,090,371,117.32/349,721.88 - Step 6: Final answer
x = 300,496.99
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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.