Finding the Fourth Proportional to 302,639.09, 417,681.99 and 195,520.73
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Solution
The fourth proportional to 302,639.09, 417,681.99 and 195,520.73 is: 269,844.48
Step by Step Solution
- Step 1: Write the proportion equation
302,639.09 : 417,681.99 = 195,520.73 : x - Step 2: Convert to fraction form
302,639.09/417,681.99 = 195,520.73/x - Step 3: Cross multiply
302,639.09x = 417,681.99 × 195,520.73 - Step 4: Simplify right side
302,639.09x = 81,665,485,504.24 - Step 5: Solve for x
x = 81,665,485,504.24/302,639.09 - Step 6: Final answer
x = 269,844.48
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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.