Finding the Fourth Proportional to 312,191.01, 430,823.57 and 168,951.08
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Solution
The fourth proportional to 312,191.01, 430,823.57 and 168,951.08 is: 233,152.48
Step by Step Solution
- Step 1: Write the proportion equation
312,191.01 : 430,823.57 = 168,951.08 : x - Step 2: Convert to fraction form
312,191.01/430,823.57 = 168,951.08/x - Step 3: Cross multiply
312,191.01x = 430,823.57 × 168,951.08 - Step 4: Simplify right side
312,191.01x = 72,788,107,673.26 - Step 5: Solve for x
x = 72,788,107,673.26/312,191.01 - Step 6: Final answer
x = 233,152.48
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1.5x scale
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.