Finding the Fourth Proportional to 207,627.32, 286,525.68 and 112,134.02
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Solution
The fourth proportional to 207,627.32, 286,525.68 and 112,134.02 is: 154,744.94
Step by Step Solution
- Step 1: Write the proportion equation
207,627.32 : 286,525.68 = 112,134.02 : x - Step 2: Convert to fraction form
207,627.32/286,525.68 = 112,134.02/x - Step 3: Cross multiply
207,627.32x = 286,525.68 × 112,134.02 - Step 4: Simplify right side
207,627.32x = 32,129,276,331.63 - Step 5: Solve for x
x = 32,129,276,331.63/207,627.32 - Step 6: Final answer
x = 154,744.94
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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.