Finding the Fourth Proportional to 375,939.12, 518,748.02 and 214,804.60
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Solution
The fourth proportional to 375,939.12, 518,748.02 and 214,804.60 is: 296,402.94
Step by Step Solution
- Step 1: Write the proportion equation
375,939.12 : 518,748.02 = 214,804.60 : x - Step 2: Convert to fraction form
375,939.12/518,748.02 = 214,804.60/x - Step 3: Cross multiply
375,939.12x = 518,748.02 × 214,804.60 - Step 4: Simplify right side
375,939.12x = 111,429,460,936.89 - Step 5: Solve for x
x = 111,429,460,936.89/375,939.12 - Step 6: Final answer
x = 296,402.94
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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.