Finding the Fourth Proportional to 74,298.88, 102,534.26 and 40,764.88
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Solution
The fourth proportional to 74,298.88, 102,534.26 and 40,764.88 is: 56,256.53
Step by Step Solution
- Step 1: Write the proportion equation
74,298.88 : 102,534.26 = 40,764.88 : x - Step 2: Convert to fraction form
74,298.88/102,534.26 = 40,764.88/x - Step 3: Cross multiply
74,298.88x = 102,534.26 × 40,764.88 - Step 4: Simplify right side
74,298.88x = 4,179,796,804.79 - Step 5: Solve for x
x = 4,179,796,804.79/74,298.88 - Step 6: Final answer
x = 56,256.53
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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.