Finding the Fourth Proportional to 303,877.44, 455,816.49 and 79,237.68
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Solution
The fourth proportional to 303,877.44, 455,816.49 and 79,237.68 is: 118,856.61
Step by Step Solution
- Step 1: Write the proportion equation
303,877.44 : 455,816.49 = 79,237.68 : x - Step 2: Convert to fraction form
303,877.44/455,816.49 = 79,237.68/x - Step 3: Cross multiply
303,877.44x = 455,816.49 × 79,237.68 - Step 4: Simplify right side
303,877.44x = 36,117,841,173.34 - Step 5: Solve for x
x = 36,117,841,173.34/303,877.44 - Step 6: Final answer
x = 118,856.61
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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.