Finding the Fourth Proportional to 343,438.99, 473,974.16 and 190,526.43
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Solution
The fourth proportional to 343,438.99, 473,974.16 and 190,526.43 is: 262,942.20
Step by Step Solution
- Step 1: Write the proportion equation
343,438.99 : 473,974.16 = 190,526.43 : x - Step 2: Convert to fraction form
343,438.99/473,974.16 = 190,526.43/x - Step 3: Cross multiply
343,438.99x = 473,974.16 × 190,526.43 - Step 4: Simplify right side
343,438.99x = 90,304,603,311.57 - Step 5: Solve for x
x = 90,304,603,311.57/343,438.99 - Step 6: Final answer
x = 262,942.20
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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.