Finding the Fourth Proportional to 277,020.12, 415,530.20 and 66,658.08
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Solution
The fourth proportional to 277,020.12, 415,530.20 and 66,658.08 is: 99,987.12
Step by Step Solution
- Step 1: Write the proportion equation
277,020.12 : 415,530.20 = 66,658.08 : x - Step 2: Convert to fraction form
277,020.12/415,530.20 = 66,658.08/x - Step 3: Cross multiply
277,020.12x = 415,530.20 × 66,658.08 - Step 4: Simplify right side
277,020.12x = 27,698,445,314.02 - Step 5: Solve for x
x = 27,698,445,314.02/277,020.12 - Step 6: Final answer
x = 99,987.12
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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.