Finding the Fourth Proportional to 202,833.20, 304,435.80 and 103,062.80
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Solution
The fourth proportional to 202,833.20, 304,435.80 and 103,062.80 is: 154,688.71
Step by Step Solution
- Step 1: Write the proportion equation
202,833.20 : 304,435.80 = 103,062.80 : x - Step 2: Convert to fraction form
202,833.20/304,435.80 = 103,062.80/x - Step 3: Cross multiply
202,833.20x = 304,435.80 × 103,062.80 - Step 4: Simplify right side
202,833.20x = 31,376,005,968.24 - Step 5: Solve for x
x = 31,376,005,968.24/202,833.20 - Step 6: Final answer
x = 154,688.71
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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.