Finding the Fourth Proportional to 312,186.41, 430,817.16 and 168,946.41
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Solution
The fourth proportional to 312,186.41, 430,817.16 and 168,946.41 is: 233,146.00
Step by Step Solution
- Step 1: Write the proportion equation
312,186.41 : 430,817.16 = 168,946.41 : x - Step 2: Convert to fraction form
312,186.41/430,817.16 = 168,946.41/x - Step 3: Cross multiply
312,186.41x = 430,817.16 × 168,946.41 - Step 4: Simplify right side
312,186.41x = 72,785,012,548.40 - Step 5: Solve for x
x = 72,785,012,548.40/312,186.41 - Step 6: Final answer
x = 233,146.00
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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.