Finding the Fourth Proportional to 147,175.24, 220,764.36 and 77,191.24
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Solution
The fourth proportional to 147,175.24, 220,764.36 and 77,191.24 is: 115,787.65
Step by Step Solution
- Step 1: Write the proportion equation
147,175.24 : 220,764.36 = 77,191.24 : x - Step 2: Convert to fraction form
147,175.24/220,764.36 = 77,191.24/x - Step 3: Cross multiply
147,175.24x = 220,764.36 × 77,191.24 - Step 4: Simplify right side
147,175.24x = 17,041,074,696.21 - Step 5: Solve for x
x = 17,041,074,696.21/147,175.24 - Step 6: Final answer
x = 115,787.65
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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.