Finding the Fourth Proportional to 263,326.96, 394,806.08 and 97,070.32
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Solution
The fourth proportional to 263,326.96, 394,806.08 and 97,070.32 is: 145,537.52
Step by Step Solution
- Step 1: Write the proportion equation
263,326.96 : 394,806.08 = 97,070.32 : x - Step 2: Convert to fraction form
263,326.96/394,806.08 = 97,070.32/x - Step 3: Cross multiply
263,326.96x = 394,806.08 × 97,070.32 - Step 4: Simplify right side
263,326.96x = 38,323,952,523.55 - Step 5: Solve for x
x = 38,323,952,523.55/263,326.96 - Step 6: Final answer
x = 145,537.52
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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.