Finding the Fourth Proportional to 168,803.28, 232,941.72 and 97,185.84
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Solution
The fourth proportional to 168,803.28, 232,941.72 and 97,185.84 is: 134,112.54
Step by Step Solution
- Step 1: Write the proportion equation
168,803.28 : 232,941.72 = 97,185.84 : x - Step 2: Convert to fraction form
168,803.28/232,941.72 = 97,185.84/x - Step 3: Cross multiply
168,803.28x = 232,941.72 × 97,185.84 - Step 4: Simplify right side
168,803.28x = 22,638,636,729.24 - Step 5: Solve for x
x = 22,638,636,729.24/168,803.28 - Step 6: Final answer
x = 134,112.54
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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.