Finding the Fourth Proportional to 216,326.48, 323,700.28 and 127,622.48
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Solution
The fourth proportional to 216,326.48, 323,700.28 and 127,622.48 is: 190,967.99
Step by Step Solution
- Step 1: Write the proportion equation
216,326.48 : 323,700.28 = 127,622.48 : x - Step 2: Convert to fraction form
216,326.48/323,700.28 = 127,622.48/x - Step 3: Cross multiply
216,326.48x = 323,700.28 × 127,622.48 - Step 4: Simplify right side
216,326.48x = 41,311,432,510.29 - Step 5: Solve for x
x = 41,311,432,510.29/216,326.48 - Step 6: Final answer
x = 190,967.99
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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.