Finding the Fourth Proportional to 394,975.44, 592,186.68 and 145,590.48
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Solution
The fourth proportional to 394,975.44, 592,186.68 and 145,590.48 is: 218,283.81
Step by Step Solution
- Step 1: Write the proportion equation
394,975.44 : 592,186.68 = 145,590.48 : x - Step 2: Convert to fraction form
394,975.44/592,186.68 = 145,590.48/x - Step 3: Cross multiply
394,975.44x = 592,186.68 × 145,590.48 - Step 4: Simplify right side
394,975.44x = 86,216,742,990.81 - Step 5: Solve for x
x = 86,216,742,990.81/394,975.44 - Step 6: Final answer
x = 218,283.81
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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.