Finding the Fourth Proportional to 336,368.80, 504,542.28 and 136,630.08
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Solution
The fourth proportional to 336,368.80, 504,542.28 and 136,630.08 is: 204,940.68
Step by Step Solution
- Step 1: Write the proportion equation
336,368.80 : 504,542.28 = 136,630.08 : x - Step 2: Convert to fraction form
336,368.80/504,542.28 = 136,630.08/x - Step 3: Cross multiply
336,368.80x = 504,542.28 × 136,630.08 - Step 4: Simplify right side
336,368.80x = 68,935,652,079.78 - Step 5: Solve for x
x = 68,935,652,079.78/336,368.80 - Step 6: Final answer
x = 204,940.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.