Finding the Fourth Proportional to 377,738.13, 521,277.66 and 207,972.26
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Solution
The fourth proportional to 377,738.13, 521,277.66 and 207,972.26 is: 287,001.19
Step by Step Solution
- Step 1: Write the proportion equation
377,738.13 : 521,277.66 = 207,972.26 : x - Step 2: Convert to fraction form
377,738.13/521,277.66 = 207,972.26/x - Step 3: Cross multiply
377,738.13x = 521,277.66 × 207,972.26 - Step 4: Simplify right side
377,738.13x = 108,411,292,386.12 - Step 5: Solve for x
x = 108,411,292,386.12/377,738.13 - Step 6: Final answer
x = 287,001.19
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1.5x scale
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.