Finding the Fourth Proportional to 202,910.40, 304,291.08 and 69,752.88
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Solution
The fourth proportional to 202,910.40, 304,291.08 and 69,752.88 is: 104,603.70
Step by Step Solution
- Step 1: Write the proportion equation
202,910.40 : 304,291.08 = 69,752.88 : x - Step 2: Convert to fraction form
202,910.40/304,291.08 = 69,752.88/x - Step 3: Cross multiply
202,910.40x = 304,291.08 × 69,752.88 - Step 4: Simplify right side
202,910.40x = 21,225,179,188.31 - Step 5: Solve for x
x = 21,225,179,188.31/202,910.40 - Step 6: Final answer
x = 104,603.70
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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.