Finding the Fourth Proportional to 495,128.16, 683,274.96 and 268,771.68
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Solution
The fourth proportional to 495,128.16, 683,274.96 and 268,771.68 is: 370,903.89
Step by Step Solution
- Step 1: Write the proportion equation
495,128.16 : 683,274.96 = 268,771.68 : x - Step 2: Convert to fraction form
495,128.16/683,274.96 = 268,771.68/x - Step 3: Cross multiply
495,128.16x = 683,274.96 × 268,771.68 - Step 4: Simplify right side
495,128.16x = 183,644,958,901.13 - Step 5: Solve for x
x = 183,644,958,901.13/495,128.16 - Step 6: Final answer
x = 370,903.89
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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.