Finding the Fourth Proportional to 397,523.96, 548,593.08 and 216,246.08
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Solution
The fourth proportional to 397,523.96, 548,593.08 and 216,246.08 is: 298,425.04
Step by Step Solution
- Step 1: Write the proportion equation
397,523.96 : 548,593.08 = 216,246.08 : x - Step 2: Convert to fraction form
397,523.96/548,593.08 = 216,246.08/x - Step 3: Cross multiply
397,523.96x = 548,593.08 × 216,246.08 - Step 4: Simplify right side
397,523.96x = 118,631,103,065.13 - Step 5: Solve for x
x = 118,631,103,065.13/397,523.96 - Step 6: Final answer
x = 298,425.04
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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.