Finding the Fourth Proportional to 168,423.28, 252,415.53 and 68,466.71
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Solution
The fourth proportional to 168,423.28, 252,415.53 and 68,466.71 is: 102,610.88
Step by Step Solution
- Step 1: Write the proportion equation
168,423.28 : 252,415.53 = 68,466.71 : x - Step 2: Convert to fraction form
168,423.28/252,415.53 = 68,466.71/x - Step 3: Cross multiply
168,423.28x = 252,415.53 × 68,466.71 - Step 4: Simplify right side
168,423.28x = 17,282,060,892.01 - Step 5: Solve for x
x = 17,282,060,892.01/168,423.28 - Step 6: Final answer
x = 102,610.88
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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.