Finding the Fourth Proportional to 121,067.04, 181,652.80 and 46,209.66
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Solution
The fourth proportional to 121,067.04, 181,652.80 and 46,209.66 is: 69,334.43
Step by Step Solution
- Step 1: Write the proportion equation
121,067.04 : 181,652.80 = 46,209.66 : x - Step 2: Convert to fraction form
121,067.04/181,652.80 = 46,209.66/x - Step 3: Cross multiply
121,067.04x = 181,652.80 × 46,209.66 - Step 4: Simplify right side
121,067.04x = 8,394,114,126.05 - Step 5: Solve for x
x = 8,394,114,126.05/121,067.04 - Step 6: Final answer
x = 69,334.43
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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.