Finding the Fourth Proportional to 505,176.21, 757,108.19 and 205,307.82
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Solution
The fourth proportional to 505,176.21, 757,108.19 and 205,307.82 is: 307,695.07
Step by Step Solution
- Step 1: Write the proportion equation
505,176.21 : 757,108.19 = 205,307.82 : x - Step 2: Convert to fraction form
505,176.21/757,108.19 = 205,307.82/x - Step 3: Cross multiply
505,176.21x = 757,108.19 × 205,307.82 - Step 4: Simplify right side
505,176.21x = 155,440,230,966.51 - Step 5: Solve for x
x = 155,440,230,966.51/505,176.21 - Step 6: Final answer
x = 307,695.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.