Finding the Fourth Proportional to 109,377.36, 163,967.40 and 39,240.18
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Solution
The fourth proportional to 109,377.36, 163,967.40 and 39,240.18 is: 58,824.88
Step by Step Solution
- Step 1: Write the proportion equation
109,377.36 : 163,967.40 = 39,240.18 : x - Step 2: Convert to fraction form
109,377.36/163,967.40 = 39,240.18/x - Step 3: Cross multiply
109,377.36x = 163,967.40 × 39,240.18 - Step 4: Simplify right side
109,377.36x = 6,434,110,290.13 - Step 5: Solve for x
x = 6,434,110,290.13/109,377.36 - Step 6: Final answer
x = 58,824.88
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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.