Finding the Fourth Proportional to 242,941.82, 335,260.22 and 135,509.09
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Solution
The fourth proportional to 242,941.82, 335,260.22 and 135,509.09 is: 187,002.82
Step by Step Solution
- Step 1: Write the proportion equation
242,941.82 : 335,260.22 = 135,509.09 : x - Step 2: Convert to fraction form
242,941.82/335,260.22 = 135,509.09/x - Step 3: Cross multiply
242,941.82x = 335,260.22 × 135,509.09 - Step 4: Simplify right side
242,941.82x = 45,430,804,971.55 - Step 5: Solve for x
x = 45,430,804,971.55/242,941.82 - Step 6: Final answer
x = 187,002.82
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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.