Finding the Fourth Proportional to 230,486.21, 317,347.19 and 195,963.05
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Solution
The fourth proportional to 230,486.21, 317,347.19 and 195,963.05 is: 269,813.64
Step by Step Solution
- Step 1: Write the proportion equation
230,486.21 : 317,347.19 = 195,963.05 : x - Step 2: Convert to fraction form
230,486.21/317,347.19 = 195,963.05/x - Step 3: Cross multiply
230,486.21x = 317,347.19 × 195,963.05 - Step 4: Simplify right side
230,486.21x = 62,188,323,261.33 - Step 5: Solve for x
x = 62,188,323,261.33/230,486.21 - Step 6: Final answer
x = 269,813.64
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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.