Finding the Fourth Proportional to 302,104.13, 416,895.39 and 166,138.08
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Solution
The fourth proportional to 302,104.13, 416,895.39 and 166,138.08 is: 229,265.98
Step by Step Solution
- Step 1: Write the proportion equation
302,104.13 : 416,895.39 = 166,138.08 : x - Step 2: Convert to fraction form
302,104.13/416,895.39 = 166,138.08/x - Step 3: Cross multiply
302,104.13x = 416,895.39 × 166,138.08 - Step 4: Simplify right side
302,104.13x = 69,262,199,655.45 - Step 5: Solve for x
x = 69,262,199,655.45/302,104.13 - Step 6: Final answer
x = 229,265.98
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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.