Finding the Fourth Proportional to 386,011.20, 532,567.84 and 232,991.29
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Solution
The fourth proportional to 386,011.20, 532,567.84 and 232,991.29 is: 321,450.95
Step by Step Solution
- Step 1: Write the proportion equation
386,011.20 : 532,567.84 = 232,991.29 : x - Step 2: Convert to fraction form
386,011.20/532,567.84 = 232,991.29/x - Step 3: Cross multiply
386,011.20x = 532,567.84 × 232,991.29 - Step 4: Simplify right side
386,011.20x = 124,083,664,923.22 - Step 5: Solve for x
x = 124,083,664,923.22/386,011.20 - Step 6: Final answer
x = 321,450.95
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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.