Finding the Fourth Proportional to 402,377.48, 555,072.70 and 273,322.60
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Solution
The fourth proportional to 402,377.48, 555,072.70 and 273,322.60 is: 377,043.75
Step by Step Solution
- Step 1: Write the proportion equation
402,377.48 : 555,072.70 = 273,322.60 : x - Step 2: Convert to fraction form
402,377.48/555,072.70 = 273,322.60/x - Step 3: Cross multiply
402,377.48x = 555,072.70 × 273,322.60 - Step 4: Simplify right side
402,377.48x = 151,713,913,553.02 - Step 5: Solve for x
x = 151,713,913,553.02/402,377.48 - Step 6: Final answer
x = 377,043.75
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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.