Finding the Fourth Proportional to 460,381.23, 690,570.36 and 207,365.58
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Solution
The fourth proportional to 460,381.23, 690,570.36 and 207,365.58 is: 311,047.70
Step by Step Solution
- Step 1: Write the proportion equation
460,381.23 : 690,570.36 = 207,365.58 : x - Step 2: Convert to fraction form
460,381.23/690,570.36 = 207,365.58/x - Step 3: Cross multiply
460,381.23x = 690,570.36 × 207,365.58 - Step 4: Simplify right side
460,381.23x = 143,200,523,232.21 - Step 5: Solve for x
x = 143,200,523,232.21/460,381.23 - Step 6: Final answer
x = 311,047.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.