Finding the Fourth Proportional to 168,525.12, 252,812.16 and 68,691.36
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Solution
The fourth proportional to 168,525.12, 252,812.16 and 68,691.36 is: 103,047.02
Step by Step Solution
- Step 1: Write the proportion equation
168,525.12 : 252,812.16 = 68,691.36 : x - Step 2: Convert to fraction form
168,525.12/252,812.16 = 68,691.36/x - Step 3: Cross multiply
168,525.12x = 252,812.16 × 68,691.36 - Step 4: Simplify right side
168,525.12x = 17,366,011,094.94 - Step 5: Solve for x
x = 17,366,011,094.94/168,525.12 - Step 6: Final answer
x = 103,047.02
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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.