Finding the Fourth Proportional to 301,048.80, 415,466.55 and 198,895.05
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Solution
The fourth proportional to 301,048.80, 415,466.55 and 198,895.05 is: 274,487.86
Step by Step Solution
- Step 1: Write the proportion equation
301,048.80 : 415,466.55 = 198,895.05 : x - Step 2: Convert to fraction form
301,048.80/415,466.55 = 198,895.05/x - Step 3: Cross multiply
301,048.80x = 415,466.55 × 198,895.05 - Step 4: Simplify right side
301,048.80x = 82,634,240,235.58 - Step 5: Solve for x
x = 82,634,240,235.58/301,048.80 - Step 6: Final answer
x = 274,487.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.