Finding the Fourth Proportional to 484,677.36, 726,964.47 and 129,727.26
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Solution
The fourth proportional to 484,677.36, 726,964.47 and 129,727.26 is: 194,577.09
Step by Step Solution
- Step 1: Write the proportion equation
484,677.36 : 726,964.47 = 129,727.26 : x - Step 2: Convert to fraction form
484,677.36/726,964.47 = 129,727.26/x - Step 3: Cross multiply
484,677.36x = 726,964.47 × 129,727.26 - Step 4: Simplify right side
484,677.36x = 94,307,108,810.45 - Step 5: Solve for x
x = 94,307,108,810.45/484,677.36 - Step 6: Final answer
x = 194,577.09
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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.