Finding the Fourth Proportional to 350,157.20, 525,235.80 and 314,727.80
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Solution
The fourth proportional to 350,157.20, 525,235.80 and 314,727.80 is: 472,091.70
Step by Step Solution
- Step 1: Write the proportion equation
350,157.20 : 525,235.80 = 314,727.80 : x - Step 2: Convert to fraction form
350,157.20/525,235.80 = 314,727.80/x - Step 3: Cross multiply
350,157.20x = 525,235.80 × 314,727.80 - Step 4: Simplify right side
350,157.20x = 165,306,307,815.24 - Step 5: Solve for x
x = 165,306,307,815.24/350,157.20 - Step 6: Final answer
x = 472,091.70
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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.