Finding the Fourth Proportional to 121,653.42, 182,480.12 and 62,456.19
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Solution
The fourth proportional to 121,653.42, 182,480.12 and 62,456.19 is: 93,684.28
Step by Step Solution
- Step 1: Write the proportion equation
121,653.42 : 182,480.12 = 62,456.19 : x - Step 2: Convert to fraction form
121,653.42/182,480.12 = 62,456.19/x - Step 3: Cross multiply
121,653.42x = 182,480.12 × 62,456.19 - Step 4: Simplify right side
121,653.42x = 11,397,013,045.94 - Step 5: Solve for x
x = 11,397,013,045.94/121,653.42 - Step 6: Final answer
x = 93,684.28
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1.5x scale
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.