Finding the Fourth Proportional to 487,665.99, 731,317.50 and 167,728.05
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Solution
The fourth proportional to 487,665.99, 731,317.50 and 167,728.05 is: 251,529.65
Step by Step Solution
- Step 1: Write the proportion equation
487,665.99 : 731,317.50 = 167,728.05 : x - Step 2: Convert to fraction form
487,665.99/731,317.50 = 167,728.05/x - Step 3: Cross multiply
487,665.99x = 731,317.50 × 167,728.05 - Step 4: Simplify right side
487,665.99x = 122,662,458,205.88 - Step 5: Solve for x
x = 122,662,458,205.88/487,665.99 - Step 6: Final answer
x = 251,529.65
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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.