Finding the Fourth Proportional to 203,489.10, 304,988.90 and 75,303.09
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Solution
The fourth proportional to 203,489.10, 304,988.90 and 75,303.09 is: 112,864.06
Step by Step Solution
- Step 1: Write the proportion equation
203,489.10 : 304,988.90 = 75,303.09 : x - Step 2: Convert to fraction form
203,489.10/304,988.90 = 75,303.09/x - Step 3: Cross multiply
203,489.10x = 304,988.90 × 75,303.09 - Step 4: Simplify right side
203,489.10x = 22,966,606,209.19 - Step 5: Solve for x
x = 22,966,606,209.19/203,489.10 - Step 6: Final answer
x = 112,864.06
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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.