Finding the Fourth Proportional to 118,910.19, 178,271.19 and 58,896.18
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Solution
The fourth proportional to 118,910.19, 178,271.19 and 58,896.18 is: 88,297.65
Step by Step Solution
- Step 1: Write the proportion equation
118,910.19 : 178,271.19 = 58,896.18 : x - Step 2: Convert to fraction form
118,910.19/178,271.19 = 58,896.18/x - Step 3: Cross multiply
118,910.19x = 178,271.19 × 58,896.18 - Step 4: Simplify right side
118,910.19x = 10,499,490,909.22 - Step 5: Solve for x
x = 10,499,490,909.22/118,910.19 - Step 6: Final answer
x = 88,297.65
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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.