Finding the Fourth Proportional to 155,067.67, 214,074.66 and 104,347.09
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Solution
The fourth proportional to 155,067.67, 214,074.66 and 104,347.09 is: 144,053.68
Step by Step Solution
- Step 1: Write the proportion equation
155,067.67 : 214,074.66 = 104,347.09 : x - Step 2: Convert to fraction form
155,067.67/214,074.66 = 104,347.09/x - Step 3: Cross multiply
155,067.67x = 214,074.66 × 104,347.09 - Step 4: Simplify right side
155,067.67x = 22,338,067,813.74 - Step 5: Solve for x
x = 22,338,067,813.74/155,067.67 - Step 6: Final answer
x = 144,053.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.