Finding the Fourth Proportional to 207,195.42, 310,762.35 and 57,420.09
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Solution
The fourth proportional to 207,195.42, 310,762.35 and 57,420.09 is: 86,121.60
Step by Step Solution
- Step 1: Write the proportion equation
207,195.42 : 310,762.35 = 57,420.09 : x - Step 2: Convert to fraction form
207,195.42/310,762.35 = 57,420.09/x - Step 3: Cross multiply
207,195.42x = 310,762.35 × 57,420.09 - Step 4: Simplify right side
207,195.42x = 17,844,002,105.61 - Step 5: Solve for x
x = 17,844,002,105.61/207,195.42 - Step 6: Final answer
x = 86,121.60
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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.