Finding the Fourth Proportional to 122,476.08, 183,714.12 and 39,376.56
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Solution
The fourth proportional to 122,476.08, 183,714.12 and 39,376.56 is: 59,064.84
Step by Step Solution
- Step 1: Write the proportion equation
122,476.08 : 183,714.12 = 39,376.56 : x - Step 2: Convert to fraction form
122,476.08/183,714.12 = 39,376.56/x - Step 3: Cross multiply
122,476.08x = 183,714.12 × 39,376.56 - Step 4: Simplify right side
122,476.08x = 7,234,030,069.03 - Step 5: Solve for x
x = 7,234,030,069.03/122,476.08 - Step 6: Final answer
x = 59,064.84
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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.