Finding the Fourth Proportional to 151,854.20, 227,781.30 and 122,329.70
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Solution
The fourth proportional to 151,854.20, 227,781.30 and 122,329.70 is: 183,494.55
Step by Step Solution
- Step 1: Write the proportion equation
151,854.20 : 227,781.30 = 122,329.70 : x - Step 2: Convert to fraction form
151,854.20/227,781.30 = 122,329.70/x - Step 3: Cross multiply
151,854.20x = 227,781.30 × 122,329.70 - Step 4: Simplify right side
151,854.20x = 27,864,418,094.61 - Step 5: Solve for x
x = 27,864,418,094.61/151,854.20 - Step 6: Final answer
x = 183,494.55
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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.