Finding the Fourth Proportional to 302,854.68, 417,942.26 and 166,893.49
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Solution
The fourth proportional to 302,854.68, 417,942.26 and 166,893.49 is: 230,314.56
Step by Step Solution
- Step 1: Write the proportion equation
302,854.68 : 417,942.26 = 166,893.49 : x - Step 2: Convert to fraction form
302,854.68/417,942.26 = 166,893.49/x - Step 3: Cross multiply
302,854.68x = 417,942.26 × 166,893.49 - Step 4: Simplify right side
302,854.68x = 69,751,842,389.89 - Step 5: Solve for x
x = 69,751,842,389.89/302,854.68 - Step 6: Final answer
x = 230,314.56
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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.