Finding the Fourth Proportional to 450,276.57, 675,414.79 and 213,490.08
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Solution
The fourth proportional to 450,276.57, 675,414.79 and 213,490.08 is: 320,235.09
Step by Step Solution
- Step 1: Write the proportion equation
450,276.57 : 675,414.79 = 213,490.08 : x - Step 2: Convert to fraction form
450,276.57/675,414.79 = 213,490.08/x - Step 3: Cross multiply
450,276.57x = 675,414.79 × 213,490.08 - Step 4: Simplify right side
450,276.57x = 144,194,357,016.56 - Step 5: Solve for x
x = 144,194,357,016.56/450,276.57 - Step 6: Final answer
x = 320,235.09
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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.