Finding the Fourth Proportional to 302,085.08, 416,888.12 and 166,129.38
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Solution
The fourth proportional to 302,085.08, 416,888.12 and 166,129.38 is: 229,264.43
Step by Step Solution
- Step 1: Write the proportion equation
302,085.08 : 416,888.12 = 166,129.38 : x - Step 2: Convert to fraction form
302,085.08/416,888.12 = 166,129.38/x - Step 3: Cross multiply
302,085.08x = 416,888.12 × 166,129.38 - Step 4: Simplify right side
302,085.08x = 69,257,364,904.97 - Step 5: Solve for x
x = 69,257,364,904.97/302,085.08 - Step 6: Final answer
x = 229,264.43
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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.