Finding the Fourth Proportional to 326,619.55, 450,723.36 and 183,385.63
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Solution
The fourth proportional to 326,619.55, 450,723.36 and 183,385.63 is: 253,065.64
Step by Step Solution
- Step 1: Write the proportion equation
326,619.55 : 450,723.36 = 183,385.63 : x - Step 2: Convert to fraction form
326,619.55/450,723.36 = 183,385.63/x - Step 3: Cross multiply
326,619.55x = 450,723.36 × 183,385.63 - Step 4: Simplify right side
326,619.55x = 82,656,186,202.51 - Step 5: Solve for x
x = 82,656,186,202.51/326,619.55 - Step 6: Final answer
x = 253,065.64
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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.