Finding the Fourth Proportional to 455,148.99, 627,976.11 and 273,770.13
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Solution
The fourth proportional to 455,148.99, 627,976.11 and 273,770.13 is: 377,724.89
Step by Step Solution
- Step 1: Write the proportion equation
455,148.99 : 627,976.11 = 273,770.13 : x - Step 2: Convert to fraction form
455,148.99/627,976.11 = 273,770.13/x - Step 3: Cross multiply
455,148.99x = 627,976.11 × 273,770.13 - Step 4: Simplify right side
455,148.99x = 171,921,101,271.59 - Step 5: Solve for x
x = 171,921,101,271.59/455,148.99 - Step 6: Final answer
x = 377,724.89
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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.