Finding the Fourth Proportional to 147,430.08, 203,450.40 and 90,049.68
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Solution
The fourth proportional to 147,430.08, 203,450.40 and 90,049.68 is: 124,266.66
Step by Step Solution
- Step 1: Write the proportion equation
147,430.08 : 203,450.40 = 90,049.68 : x - Step 2: Convert to fraction form
147,430.08/203,450.40 = 90,049.68/x - Step 3: Cross multiply
147,430.08x = 203,450.40 × 90,049.68 - Step 4: Simplify right side
147,430.08x = 18,320,643,415.87 - Step 5: Solve for x
x = 18,320,643,415.87/147,430.08 - Step 6: Final answer
x = 124,266.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.