Finding the Fourth Proportional to 245,315.80, 367,973.70 and 133,049.80
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Solution
The fourth proportional to 245,315.80, 367,973.70 and 133,049.80 is: 199,574.70
Step by Step Solution
- Step 1: Write the proportion equation
245,315.80 : 367,973.70 = 133,049.80 : x - Step 2: Convert to fraction form
245,315.80/367,973.70 = 133,049.80/x - Step 3: Cross multiply
245,315.80x = 367,973.70 × 133,049.80 - Step 4: Simplify right side
245,315.80x = 48,958,827,190.26 - Step 5: Solve for x
x = 48,958,827,190.26/245,315.80 - Step 6: Final answer
x = 199,574.70
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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.