Finding the Fourth Proportional to 354,069.06, 531,324.99 and 143,706.98
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Solution
The fourth proportional to 354,069.06, 531,324.99 and 143,706.98 is: 215,650.32
Step by Step Solution
- Step 1: Write the proportion equation
354,069.06 : 531,324.99 = 143,706.98 : x - Step 2: Convert to fraction form
354,069.06/531,324.99 = 143,706.98/x - Step 3: Cross multiply
354,069.06x = 531,324.99 × 143,706.98 - Step 4: Simplify right side
354,069.06x = 76,355,107,054.81 - Step 5: Solve for x
x = 76,355,107,054.81/354,069.06 - Step 6: Final answer
x = 215,650.32
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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.