Finding the Fourth Proportional to 344,135.87, 516,203.80 and 133,823.01
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Solution
The fourth proportional to 344,135.87, 516,203.80 and 133,823.01 is: 200,734.51
Step by Step Solution
- Step 1: Write the proportion equation
344,135.87 : 516,203.80 = 133,823.01 : x - Step 2: Convert to fraction form
344,135.87/516,203.80 = 133,823.01/x - Step 3: Cross multiply
344,135.87x = 516,203.80 × 133,823.01 - Step 4: Simplify right side
344,135.87x = 69,079,946,289.44 - Step 5: Solve for x
x = 69,079,946,289.44/344,135.87 - Step 6: Final answer
x = 200,734.51
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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.