Finding the Fourth Proportional to 202,425.98, 303,435.74 and 69,215.12
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Solution
The fourth proportional to 202,425.98, 303,435.74 and 69,215.12 is: 103,753.18
Step by Step Solution
- Step 1: Write the proportion equation
202,425.98 : 303,435.74 = 69,215.12 : x - Step 2: Convert to fraction form
202,425.98/303,435.74 = 69,215.12/x - Step 3: Cross multiply
202,425.98x = 303,435.74 × 69,215.12 - Step 4: Simplify right side
202,425.98x = 21,002,339,293.13 - Step 5: Solve for x
x = 21,002,339,293.13/202,425.98 - Step 6: Final answer
x = 103,753.18
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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.