Finding the Fourth Proportional to 74,298.26, 102,533.38 and 40,764.26
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Solution
The fourth proportional to 74,298.26, 102,533.38 and 40,764.26 is: 56,255.66
Step by Step Solution
- Step 1: Write the proportion equation
74,298.26 : 102,533.38 = 40,764.26 : x - Step 2: Convert to fraction form
74,298.26/102,533.38 = 40,764.26/x - Step 3: Cross multiply
74,298.26x = 102,533.38 × 40,764.26 - Step 4: Simplify right side
74,298.26x = 4,179,697,361.00 - Step 5: Solve for x
x = 4,179,697,361.00/74,298.26 - Step 6: Final answer
x = 56,255.66
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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.