Finding the Fourth Proportional to 228,598.49, 315,436.01 and 131,805.99
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Solution
The fourth proportional to 228,598.49, 315,436.01 and 131,805.99 is: 181,875.02
Step by Step Solution
- Step 1: Write the proportion equation
228,598.49 : 315,436.01 = 131,805.99 : x - Step 2: Convert to fraction form
228,598.49/315,436.01 = 131,805.99/x - Step 3: Cross multiply
228,598.49x = 315,436.01 × 131,805.99 - Step 4: Simplify right side
228,598.49x = 41,576,355,579.70 - Step 5: Solve for x
x = 41,576,355,579.70/228,598.49 - Step 6: Final answer
x = 181,875.02
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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.