Finding the Fourth Proportional to 302,784.26, 417,840.28 and 166,815.09
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Solution
The fourth proportional to 302,784.26, 417,840.28 and 166,815.09 is: 230,203.73
Step by Step Solution
- Step 1: Write the proportion equation
302,784.26 : 417,840.28 = 166,815.09 : x - Step 2: Convert to fraction form
302,784.26/417,840.28 = 166,815.09/x - Step 3: Cross multiply
302,784.26x = 417,840.28 × 166,815.09 - Step 4: Simplify right side
302,784.26x = 69,702,063,496.79 - Step 5: Solve for x
x = 69,702,063,496.79/302,784.26 - Step 6: Final answer
x = 230,203.73
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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.