Finding the Fourth Proportional to 397,853.07, 549,044.24 and 216,570.21
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Solution
The fourth proportional to 397,853.07, 549,044.24 and 216,570.21 is: 298,870.70
Step by Step Solution
- Step 1: Write the proportion equation
397,853.07 : 549,044.24 = 216,570.21 : x - Step 2: Convert to fraction form
397,853.07/549,044.24 = 216,570.21/x - Step 3: Cross multiply
397,853.07x = 549,044.24 × 216,570.21 - Step 4: Simplify right side
397,853.07x = 118,906,625,273.24 - Step 5: Solve for x
x = 118,906,625,273.24/397,853.07 - Step 6: Final answer
x = 298,870.70
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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.