Finding the Fourth Proportional to 121,108.96, 181,675.80 and 46,292.07
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Solution
The fourth proportional to 121,108.96, 181,675.80 and 46,292.07 is: 69,442.83
Step by Step Solution
- Step 1: Write the proportion equation
121,108.96 : 181,675.80 = 46,292.07 : x - Step 2: Convert to fraction form
121,108.96/181,675.80 = 46,292.07/x - Step 3: Cross multiply
121,108.96x = 181,675.80 × 46,292.07 - Step 4: Simplify right side
121,108.96x = 8,410,148,850.91 - Step 5: Solve for x
x = 8,410,148,850.91/121,108.96 - Step 6: Final answer
x = 69,442.83
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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.