Finding the Fourth Proportional to 202,135.60, 303,397.80 and 102,408.40
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Solution
The fourth proportional to 202,135.60, 303,397.80 and 102,408.40 is: 153,711.09
Step by Step Solution
- Step 1: Write the proportion equation
202,135.60 : 303,397.80 = 102,408.40 : x - Step 2: Convert to fraction form
202,135.60/303,397.80 = 102,408.40/x - Step 3: Cross multiply
202,135.60x = 303,397.80 × 102,408.40 - Step 4: Simplify right side
202,135.60x = 31,070,483,261.52 - Step 5: Solve for x
x = 31,070,483,261.52/202,135.60 - Step 6: Final answer
x = 153,711.09
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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.