Finding the Fourth Proportional to 389,227.60, 537,042.47 and 236,262.03
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Solution
The fourth proportional to 389,227.60, 537,042.47 and 236,262.03 is: 325,985.99
Step by Step Solution
- Step 1: Write the proportion equation
389,227.60 : 537,042.47 = 236,262.03 : x - Step 2: Convert to fraction form
389,227.60/537,042.47 = 236,262.03/x - Step 3: Cross multiply
389,227.60x = 537,042.47 × 236,262.03 - Step 4: Simplify right side
389,227.60x = 126,882,744,158.41 - Step 5: Solve for x
x = 126,882,744,158.41/389,227.60 - Step 6: Final answer
x = 325,985.99
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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.