Finding the Fourth Proportional to 202,887.20, 304,516.80 and 103,116.80
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Solution
The fourth proportional to 202,887.20, 304,516.80 and 103,116.80 is: 154,769.73
Step by Step Solution
- Step 1: Write the proportion equation
202,887.20 : 304,516.80 = 103,116.80 : x - Step 2: Convert to fraction form
202,887.20/304,516.80 = 103,116.80/x - Step 3: Cross multiply
202,887.20x = 304,516.80 × 103,116.80 - Step 4: Simplify right side
202,887.20x = 31,400,797,962.24 - Step 5: Solve for x
x = 31,400,797,962.24/202,887.20 - Step 6: Final answer
x = 154,769.73
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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.