Finding the Fourth Proportional to 215,113.44, 296,810.16 and 130,234.08
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Solution
The fourth proportional to 215,113.44, 296,810.16 and 130,234.08 is: 179,694.95
Step by Step Solution
- Step 1: Write the proportion equation
215,113.44 : 296,810.16 = 130,234.08 : x - Step 2: Convert to fraction form
215,113.44/296,810.16 = 130,234.08/x - Step 3: Cross multiply
215,113.44x = 296,810.16 × 130,234.08 - Step 4: Simplify right side
215,113.44x = 38,654,798,122.25 - Step 5: Solve for x
x = 38,654,798,122.25/215,113.44 - Step 6: Final answer
x = 179,694.95
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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.