Finding the Fourth Proportional to 277,010.12, 415,515.18 and 66,648.06
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Solution
The fourth proportional to 277,010.12, 415,515.18 and 66,648.06 is: 99,972.09
Step by Step Solution
- Step 1: Write the proportion equation
277,010.12 : 415,515.18 = 66,648.06 : x - Step 2: Convert to fraction form
277,010.12/415,515.18 = 66,648.06/x - Step 3: Cross multiply
277,010.12x = 415,515.18 × 66,648.06 - Step 4: Simplify right side
277,010.12x = 27,693,280,647.55 - Step 5: Solve for x
x = 27,693,280,647.55/277,010.12 - Step 6: Final answer
x = 99,972.09
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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.