Finding the Fourth Proportional to 386,733.84, 580,077.30 and 229,959.96
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Solution
The fourth proportional to 386,733.84, 580,077.30 and 229,959.96 is: 344,925.99
Step by Step Solution
- Step 1: Write the proportion equation
386,733.84 : 580,077.30 = 229,959.96 : x - Step 2: Convert to fraction form
386,733.84/580,077.30 = 229,959.96/x - Step 3: Cross multiply
386,733.84x = 580,077.30 × 229,959.96 - Step 4: Simplify right side
386,733.84x = 133,394,552,704.91 - Step 5: Solve for x
x = 133,394,552,704.91/386,733.84 - Step 6: Final answer
x = 344,925.99
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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.