Finding the Fourth Proportional to 463,205.48, 639,077.84 and 259,223.99
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Solution
The fourth proportional to 463,205.48, 639,077.84 and 259,223.99 is: 357,647.56
Step by Step Solution
- Step 1: Write the proportion equation
463,205.48 : 639,077.84 = 259,223.99 : x - Step 2: Convert to fraction form
463,205.48/639,077.84 = 259,223.99/x - Step 3: Cross multiply
463,205.48x = 639,077.84 × 259,223.99 - Step 4: Simplify right side
463,205.48x = 165,664,307,605.38 - Step 5: Solve for x
x = 165,664,307,605.38/463,205.48 - Step 6: Final answer
x = 357,647.56
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1.5x scale
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.