Finding the Fourth Proportional to 121,423.84, 182,092.02 and 51,308.62
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Solution
The fourth proportional to 121,423.84, 182,092.02 and 51,308.62 is: 76,944.45
Step by Step Solution
- Step 1: Write the proportion equation
121,423.84 : 182,092.02 = 51,308.62 : x - Step 2: Convert to fraction form
121,423.84/182,092.02 = 51,308.62/x - Step 3: Cross multiply
121,423.84x = 182,092.02 × 51,308.62 - Step 4: Simplify right side
121,423.84x = 9,342,890,259.21 - Step 5: Solve for x
x = 9,342,890,259.21/121,423.84 - Step 6: Final answer
x = 76,944.45
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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.