Finding the Fourth Proportional to 679,576.54, 1,019,368.08 and 206,266
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Solution
The fourth proportional to 679,576.54, 1,019,368.08 and 206,266 is: 309,399.99
Step by Step Solution
- Step 1: Write the proportion equation
679,576.54 : 1,019,368.08 = 206,266 : x - Step 2: Convert to fraction form
679,576.54/1,019,368.08 = 206,266/x - Step 3: Cross multiply
679,576.54x = 1,019,368.08 × 206,266 - Step 4: Simplify right side
679,576.54x = 210,260,976,389.28 - Step 5: Solve for x
x = 210,260,976,389.28/679,576.54 - Step 6: Final answer
x = 309,399.99
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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.