Finding the Fourth Proportional to 350,121.40, 525,815.70 and 306,575.80
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Solution
The fourth proportional to 350,121.40, 525,815.70 and 306,575.80 is: 460,418.50
Step by Step Solution
- Step 1: Write the proportion equation
350,121.40 : 525,815.70 = 306,575.80 : x - Step 2: Convert to fraction form
350,121.40/525,815.70 = 306,575.80/x - Step 3: Cross multiply
350,121.40x = 525,815.70 × 306,575.80 - Step 4: Simplify right side
350,121.40x = 161,202,368,880.06 - Step 5: Solve for x
x = 161,202,368,880.06/350,121.40 - Step 6: Final answer
x = 460,418.50
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1.5x scale
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.