Finding the Fourth Proportional to 273,068.01, 409,634.82 and 258,138.09
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Solution
The fourth proportional to 273,068.01, 409,634.82 and 258,138.09 is: 387,238.15
Step by Step Solution
- Step 1: Write the proportion equation
273,068.01 : 409,634.82 = 258,138.09 : x - Step 2: Convert to fraction form
273,068.01/409,634.82 = 258,138.09/x - Step 3: Cross multiply
273,068.01x = 409,634.82 × 258,138.09 - Step 4: Simplify right side
273,068.01x = 105,742,350,032.29 - Step 5: Solve for x
x = 105,742,350,032.29/273,068.01 - Step 6: Final answer
x = 387,238.15
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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.