Finding the Fourth Proportional to 113,348.63, 156,463.22 and 97,368.95
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Solution
The fourth proportional to 113,348.63, 156,463.22 and 97,368.95 is: 134,405.32
Step by Step Solution
- Step 1: Write the proportion equation
113,348.63 : 156,463.22 = 97,368.95 : x - Step 2: Convert to fraction form
113,348.63/156,463.22 = 97,368.95/x - Step 3: Cross multiply
113,348.63x = 156,463.22 × 97,368.95 - Step 4: Simplify right side
113,348.63x = 15,234,659,445.02 - Step 5: Solve for x
x = 15,234,659,445.02/113,348.63 - Step 6: Final answer
x = 134,405.32
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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.