Finding the Fourth Proportional to 421,024.17, 581,270.84 and 273,989.13
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Solution
The fourth proportional to 421,024.17, 581,270.84 and 273,989.13 is: 378,272.56
Step by Step Solution
- Step 1: Write the proportion equation
421,024.17 : 581,270.84 = 273,989.13 : x - Step 2: Convert to fraction form
421,024.17/581,270.84 = 273,989.13/x - Step 3: Cross multiply
421,024.17x = 581,270.84 × 273,989.13 - Step 4: Simplify right side
421,024.17x = 159,261,891,745.97 - Step 5: Solve for x
x = 159,261,891,745.97/421,024.17 - Step 6: Final answer
x = 378,272.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.