Finding the Fourth Proportional to 207,214.80, 310,822.20 and 167,125.20
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Solution
The fourth proportional to 207,214.80, 310,822.20 and 167,125.20 is: 250,687.80
Step by Step Solution
- Step 1: Write the proportion equation
207,214.80 : 310,822.20 = 167,125.20 : x - Step 2: Convert to fraction form
207,214.80/310,822.20 = 167,125.20/x - Step 3: Cross multiply
207,214.80x = 310,822.20 × 167,125.20 - Step 4: Simplify right side
207,214.80x = 51,946,222,339.44 - Step 5: Solve for x
x = 51,946,222,339.44/207,214.80 - Step 6: Final answer
x = 250,687.80
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1.5x scale
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.