Finding the Fourth Proportional to 68,324.99, 102,482.01 and 30,386.00
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Solution
The fourth proportional to 68,324.99, 102,482.01 and 30,386.00 is: 45,576.57
Step by Step Solution
- Step 1: Write the proportion equation
68,324.99 : 102,482.01 = 30,386.00 : x - Step 2: Convert to fraction form
68,324.99/102,482.01 = 30,386.00/x - Step 3: Cross multiply
68,324.99x = 102,482.01 × 30,386.00 - Step 4: Simplify right side
68,324.99x = 3,114,018,612.07 - Step 5: Solve for x
x = 3,114,018,612.07/68,324.99 - Step 6: Final answer
x = 45,576.57
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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.