Finding the Fourth Proportional to 495,448.36, 683,676.99 and 274,691.54
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Solution
The fourth proportional to 495,448.36, 683,676.99 and 274,691.54 is: 379,051.18
Step by Step Solution
- Step 1: Write the proportion equation
495,448.36 : 683,676.99 = 274,691.54 : x - Step 2: Convert to fraction form
495,448.36/683,676.99 = 274,691.54/x - Step 3: Cross multiply
495,448.36x = 683,676.99 × 274,691.54 - Step 4: Simplify right side
495,448.36x = 187,800,286,954.86 - Step 5: Solve for x
x = 187,800,286,954.86/495,448.36 - Step 6: Final answer
x = 379,051.18
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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.