Finding the Fourth Proportional to 302,175.77, 416,993.76 and 166,209.68
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Solution
The fourth proportional to 302,175.77, 416,993.76 and 166,209.68 is: 229,364.52
Step by Step Solution
- Step 1: Write the proportion equation
302,175.77 : 416,993.76 = 166,209.68 : x - Step 2: Convert to fraction form
302,175.77/416,993.76 = 166,209.68/x - Step 3: Cross multiply
302,175.77x = 416,993.76 × 166,209.68 - Step 4: Simplify right side
302,175.77x = 69,308,400,454.08 - Step 5: Solve for x
x = 69,308,400,454.08/302,175.77 - Step 6: Final answer
x = 229,364.52
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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.