Finding the Fourth Proportional to 326,358.72, 450,259.56 and 213,247.08
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Solution
The fourth proportional to 326,358.72, 450,259.56 and 213,247.08 is: 294,205.52
Step by Step Solution
- Step 1: Write the proportion equation
326,358.72 : 450,259.56 = 213,247.08 : x - Step 2: Convert to fraction form
326,358.72/450,259.56 = 213,247.08/x - Step 3: Cross multiply
326,358.72x = 450,259.56 × 213,247.08 - Step 4: Simplify right side
326,358.72x = 96,016,536,412.08 - Step 5: Solve for x
x = 96,016,536,412.08/326,358.72 - Step 6: Final answer
x = 294,205.52
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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.