Finding the Fourth Proportional to 306,995.66, 460,542.71 and 129,528.81
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Solution
The fourth proportional to 306,995.66, 460,542.71 and 129,528.81 is: 194,313.98
Step by Step Solution
- Step 1: Write the proportion equation
306,995.66 : 460,542.71 = 129,528.81 : x - Step 2: Convert to fraction form
306,995.66/460,542.71 = 129,528.81/x - Step 3: Cross multiply
306,995.66x = 460,542.71 × 129,528.81 - Step 4: Simplify right side
306,995.66x = 59,653,548,532.83 - Step 5: Solve for x
x = 59,653,548,532.83/306,995.66 - Step 6: Final answer
x = 194,313.98
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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.