Finding the Fourth Proportional to 375,704.62, 518,478.65 and 203,628.09
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Solution
The fourth proportional to 375,704.62, 518,478.65 and 203,628.09 is: 281,010.16
Step by Step Solution
- Step 1: Write the proportion equation
375,704.62 : 518,478.65 = 203,628.09 : x - Step 2: Convert to fraction form
375,704.62/518,478.65 = 203,628.09/x - Step 3: Cross multiply
375,704.62x = 518,478.65 × 203,628.09 - Step 4: Simplify right side
375,704.62x = 105,576,817,205.28 - Step 5: Solve for x
x = 105,576,817,205.28/375,704.62 - Step 6: Final answer
x = 281,010.16
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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.