Finding the Fourth Proportional to 202,983.20, 304,547.70 and 84,690.80
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Solution
The fourth proportional to 202,983.20, 304,547.70 and 84,690.80 is: 127,066.62
Step by Step Solution
- Step 1: Write the proportion equation
202,983.20 : 304,547.70 = 84,690.80 : x - Step 2: Convert to fraction form
202,983.20/304,547.70 = 84,690.80/x - Step 3: Cross multiply
202,983.20x = 304,547.70 × 84,690.80 - Step 4: Simplify right side
202,983.20x = 25,792,388,351.16 - Step 5: Solve for x
x = 25,792,388,351.16/202,983.20 - Step 6: Final answer
x = 127,066.62
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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.