Finding the Fourth Proportional to 269,531.70, 403,957.35 and 136,448.70
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Solution
The fourth proportional to 269,531.70, 403,957.35 and 136,448.70 is: 204,500.83
Step by Step Solution
- Step 1: Write the proportion equation
269,531.70 : 403,957.35 = 136,448.70 : x - Step 2: Convert to fraction form
269,531.70/403,957.35 = 136,448.70/x - Step 3: Cross multiply
269,531.70x = 403,957.35 × 136,448.70 - Step 4: Simplify right side
269,531.70x = 55,119,455,262.95 - Step 5: Solve for x
x = 55,119,455,262.95/269,531.70 - Step 6: Final answer
x = 204,500.83
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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.