Finding the Fourth Proportional to 268,537.42, 370,574.25 and 147,678.70
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Solution
The fourth proportional to 268,537.42, 370,574.25 and 147,678.70 is: 203,792.54
Step by Step Solution
- Step 1: Write the proportion equation
268,537.42 : 370,574.25 = 147,678.70 : x - Step 2: Convert to fraction form
268,537.42/370,574.25 = 147,678.70/x - Step 3: Cross multiply
268,537.42x = 370,574.25 × 147,678.70 - Step 4: Simplify right side
268,537.42x = 54,725,923,493.48 - Step 5: Solve for x
x = 54,725,923,493.48/268,537.42 - Step 6: Final answer
x = 203,792.54
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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.