Finding the Fourth Proportional to 375,608.05, 518,518.61 and 214,431.92
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Solution
The fourth proportional to 375,608.05, 518,518.61 and 214,431.92 is: 296,018.53
Step by Step Solution
- Step 1: Write the proportion equation
375,608.05 : 518,518.61 = 214,431.92 : x - Step 2: Convert to fraction form
375,608.05/518,518.61 = 214,431.92/x - Step 3: Cross multiply
375,608.05x = 518,518.61 × 214,431.92 - Step 4: Simplify right side
375,608.05x = 111,186,944,304.69 - Step 5: Solve for x
x = 111,186,944,304.69/375,608.05 - Step 6: Final answer
x = 296,018.53
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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.