Finding the Fourth Proportional to 178,170.24, 245,878.91 and 101,687.82
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Solution
The fourth proportional to 178,170.24, 245,878.91 and 101,687.82 is: 140,331.46
Step by Step Solution
- Step 1: Write the proportion equation
178,170.24 : 245,878.91 = 101,687.82 : x - Step 2: Convert to fraction form
178,170.24/245,878.91 = 101,687.82/x - Step 3: Cross multiply
178,170.24x = 245,878.91 × 101,687.82 - Step 4: Simplify right side
178,170.24x = 25,002,890,341.88 - Step 5: Solve for x
x = 25,002,890,341.88/178,170.24 - Step 6: Final answer
x = 140,331.46
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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.