Finding the Fourth Proportional to 219,688.62, 303,158.52 and 124,189.62
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Solution
The fourth proportional to 219,688.62, 303,158.52 and 124,189.62 is: 171,375.02
Step by Step Solution
- Step 1: Write the proportion equation
219,688.62 : 303,158.52 = 124,189.62 : x - Step 2: Convert to fraction form
219,688.62/303,158.52 = 124,189.62/x - Step 3: Cross multiply
219,688.62x = 303,158.52 × 124,189.62 - Step 4: Simplify right side
219,688.62x = 37,649,141,398.56 - Step 5: Solve for x
x = 37,649,141,398.56/219,688.62 - Step 6: Final answer
x = 171,375.02
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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.