Finding the Fourth Proportional to 136,998.66, 205,462.35 and 58,072.26
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Solution
The fourth proportional to 136,998.66, 205,462.35 and 58,072.26 is: 87,093.28
Step by Step Solution
- Step 1: Write the proportion equation
136,998.66 : 205,462.35 = 58,072.26 : x - Step 2: Convert to fraction form
136,998.66/205,462.35 = 58,072.26/x - Step 3: Cross multiply
136,998.66x = 205,462.35 × 58,072.26 - Step 4: Simplify right side
136,998.66x = 11,931,663,009.41 - Step 5: Solve for x
x = 11,931,663,009.41/136,998.66 - Step 6: Final answer
x = 87,093.28
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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.