Finding the Fourth Proportional to 396,483.04, 547,131.97 and 215,191.08
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Solution
The fourth proportional to 396,483.04, 547,131.97 and 215,191.08 is: 296,955.75
Step by Step Solution
- Step 1: Write the proportion equation
396,483.04 : 547,131.97 = 215,191.08 : x - Step 2: Convert to fraction form
396,483.04/547,131.97 = 215,191.08/x - Step 3: Cross multiply
396,483.04x = 547,131.97 × 215,191.08 - Step 4: Simplify right side
396,483.04x = 117,737,918,585.37 - Step 5: Solve for x
x = 117,737,918,585.37/396,483.04 - Step 6: Final answer
x = 296,955.75
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1.5x scale
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.