Finding the Fourth Proportional to 121,397.84, 182,094.60 and 46,497.68
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Solution
The fourth proportional to 121,397.84, 182,094.60 and 46,497.68 is: 69,745.69
Step by Step Solution
- Step 1: Write the proportion equation
121,397.84 : 182,094.60 = 46,497.68 : x - Step 2: Convert to fraction form
121,397.84/182,094.60 = 46,497.68/x - Step 3: Cross multiply
121,397.84x = 182,094.60 × 46,497.68 - Step 4: Simplify right side
121,397.84x = 8,466,976,440.53 - Step 5: Solve for x
x = 8,466,976,440.53/121,397.84 - Step 6: Final answer
x = 69,745.69
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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.