Finding the Fourth Proportional to 645,588.75, 968,538.65 and 202,356.75
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Solution
The fourth proportional to 645,588.75, 968,538.65 and 202,356.75 is: 303,583.87
Step by Step Solution
- Step 1: Write the proportion equation
645,588.75 : 968,538.65 = 202,356.75 : x - Step 2: Convert to fraction form
645,588.75/968,538.65 = 202,356.75/x - Step 3: Cross multiply
645,588.75x = 968,538.65 × 202,356.75 - Step 4: Simplify right side
645,588.75x = 195,990,332,451.60 - Step 5: Solve for x
x = 195,990,332,451.60/645,588.75 - Step 6: Final answer
x = 303,583.87
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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.