Finding the Fourth Proportional to 288,836.18, 433,467.09 and 137,033.81
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Solution
The fourth proportional to 288,836.18, 433,467.09 and 137,033.81 is: 205,651.68
Step by Step Solution
- Step 1: Write the proportion equation
288,836.18 : 433,467.09 = 137,033.81 : x - Step 2: Convert to fraction form
288,836.18/433,467.09 = 137,033.81/x - Step 3: Cross multiply
288,836.18x = 433,467.09 × 137,033.81 - Step 4: Simplify right side
288,836.18x = 59,399,646,852.31 - Step 5: Solve for x
x = 59,399,646,852.31/288,836.18 - Step 6: Final answer
x = 205,651.68
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1.5x scale
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.