Finding the Fourth Proportional to 172,412.60, 258,599.99 and 46,063.99
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Solution
The fourth proportional to 172,412.60, 258,599.99 and 46,063.99 is: 69,090.94
Step by Step Solution
- Step 1: Write the proportion equation
172,412.60 : 258,599.99 = 46,063.99 : x - Step 2: Convert to fraction form
172,412.60/258,599.99 = 46,063.99/x - Step 3: Cross multiply
172,412.60x = 258,599.99 × 46,063.99 - Step 4: Simplify right side
172,412.60x = 11,912,147,791.77 - Step 5: Solve for x
x = 11,912,147,791.77/172,412.60 - Step 6: Final answer
x = 69,090.94
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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.