Finding the Fourth Proportional to 202,821.20, 304,417.80 and 103,050.80
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Solution
The fourth proportional to 202,821.20, 304,417.80 and 103,050.80 is: 154,670.70
Step by Step Solution
- Step 1: Write the proportion equation
202,821.20 : 304,417.80 = 103,050.80 : x - Step 2: Convert to fraction form
202,821.20/304,417.80 = 103,050.80/x - Step 3: Cross multiply
202,821.20x = 304,417.80 × 103,050.80 - Step 4: Simplify right side
202,821.20x = 31,370,497,824.24 - Step 5: Solve for x
x = 31,370,497,824.24/202,821.20 - Step 6: Final answer
x = 154,670.70
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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.