Finding the Fourth Proportional to 375,921.44, 518,723.76 and 214,786.92
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Solution
The fourth proportional to 375,921.44, 518,723.76 and 214,786.92 is: 296,378.62
Step by Step Solution
- Step 1: Write the proportion equation
375,921.44 : 518,723.76 = 214,786.92 : x - Step 2: Convert to fraction form
375,921.44/518,723.76 = 214,786.92/x - Step 3: Cross multiply
375,921.44x = 518,723.76 × 214,786.92 - Step 4: Simplify right side
375,921.44x = 111,415,078,741.22 - Step 5: Solve for x
x = 111,415,078,741.22/375,921.44 - Step 6: Final answer
x = 296,378.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.