Finding the Fourth Proportional to 453,871.80, 680,807.70 and 121,447.80
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Solution
The fourth proportional to 453,871.80, 680,807.70 and 121,447.80 is: 182,171.70
Step by Step Solution
- Step 1: Write the proportion equation
453,871.80 : 680,807.70 = 121,447.80 : x - Step 2: Convert to fraction form
453,871.80/680,807.70 = 121,447.80/x - Step 3: Cross multiply
453,871.80x = 680,807.70 × 121,447.80 - Step 4: Simplify right side
453,871.80x = 82,682,597,388.06 - Step 5: Solve for x
x = 82,682,597,388.06/453,871.80 - Step 6: Final answer
x = 182,171.70
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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.