Finding the Fourth Proportional to 181,830.62, 272,787.26 and 55,482.18
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Solution
The fourth proportional to 181,830.62, 272,787.26 and 55,482.18 is: 83,235.88
Step by Step Solution
- Step 1: Write the proportion equation
181,830.62 : 272,787.26 = 55,482.18 : x - Step 2: Convert to fraction form
181,830.62/272,787.26 = 55,482.18/x - Step 3: Cross multiply
181,830.62x = 272,787.26 × 55,482.18 - Step 4: Simplify right side
181,830.62x = 15,134,831,583.62 - Step 5: Solve for x
x = 15,134,831,583.62/181,830.62 - Step 6: Final answer
x = 83,235.88
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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.