Finding the Fourth Proportional to 257,029.44, 354,696.96 and 142,297.08
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Solution
The fourth proportional to 257,029.44, 354,696.96 and 142,297.08 is: 196,367.94
Step by Step Solution
- Step 1: Write the proportion equation
257,029.44 : 354,696.96 = 142,297.08 : x - Step 2: Convert to fraction form
257,029.44/354,696.96 = 142,297.08/x - Step 3: Cross multiply
257,029.44x = 354,696.96 × 142,297.08 - Step 4: Simplify right side
257,029.44x = 50,472,341,692.88 - Step 5: Solve for x
x = 50,472,341,692.88/257,029.44 - Step 6: Final answer
x = 196,367.94
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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.