Finding the Fourth Proportional to 511,656.54, 767,486.63 and 156,669.08
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Solution
The fourth proportional to 511,656.54, 767,486.63 and 156,669.08 is: 235,004.17
Step by Step Solution
- Step 1: Write the proportion equation
511,656.54 : 767,486.63 = 156,669.08 : x - Step 2: Convert to fraction form
511,656.54/767,486.63 = 156,669.08/x - Step 3: Cross multiply
511,656.54x = 767,486.63 × 156,669.08 - Step 4: Simplify right side
511,656.54x = 120,241,419,613.62 - Step 5: Solve for x
x = 120,241,419,613.62/511,656.54 - Step 6: Final answer
x = 235,004.17
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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.