Finding the Fourth Proportional to 484,102.80, 726,154.20 and 307,393.20
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Solution
The fourth proportional to 484,102.80, 726,154.20 and 307,393.20 is: 461,089.80
Step by Step Solution
- Step 1: Write the proportion equation
484,102.80 : 726,154.20 = 307,393.20 : x - Step 2: Convert to fraction form
484,102.80/726,154.20 = 307,393.20/x - Step 3: Cross multiply
484,102.80x = 726,154.20 × 307,393.20 - Step 4: Simplify right side
484,102.80x = 223,214,863,231.44 - Step 5: Solve for x
x = 223,214,863,231.44/484,102.80 - Step 6: Final answer
x = 461,089.80
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Similar ratio
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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.