Finding the Fourth Proportional to 343,871.14, 515,135.70 and 225,182.65
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Solution
The fourth proportional to 343,871.14, 515,135.70 and 225,182.65 is: 337,334.56
Step by Step Solution
- Step 1: Write the proportion equation
343,871.14 : 515,135.70 = 225,182.65 : x - Step 2: Convert to fraction form
343,871.14/515,135.70 = 225,182.65/x - Step 3: Cross multiply
343,871.14x = 515,135.70 × 225,182.65 - Step 4: Simplify right side
343,871.14x = 115,999,619,459.93 - Step 5: Solve for x
x = 115,999,619,459.93/343,871.14 - Step 6: Final answer
x = 337,334.56
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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.