Finding the Fourth Proportional to 146,395.60, 202,026.64 and 79,327.60
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Solution
The fourth proportional to 146,395.60, 202,026.64 and 79,327.60 is: 109,472.47
Step by Step Solution
- Step 1: Write the proportion equation
146,395.60 : 202,026.64 = 79,327.60 : x - Step 2: Convert to fraction form
146,395.60/202,026.64 = 79,327.60/x - Step 3: Cross multiply
146,395.60x = 202,026.64 × 79,327.60 - Step 4: Simplify right side
146,395.60x = 16,026,288,487.26 - Step 5: Solve for x
x = 16,026,288,487.26/146,395.60 - Step 6: Final answer
x = 109,472.47
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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.