Finding the Fourth Proportional to 475,824.63, 656,636.64 and 271,938.81
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Solution
The fourth proportional to 475,824.63, 656,636.64 and 271,938.81 is: 375,274.79
Step by Step Solution
- Step 1: Write the proportion equation
475,824.63 : 656,636.64 = 271,938.81 : x - Step 2: Convert to fraction form
475,824.63/656,636.64 = 271,938.81/x - Step 3: Cross multiply
475,824.63x = 656,636.64 × 271,938.81 - Step 4: Simplify right side
475,824.63x = 178,564,986,484.00 - Step 5: Solve for x
x = 178,564,986,484.00/475,824.63 - Step 6: Final answer
x = 375,274.79
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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.