Finding the Fourth Proportional to 344,106.40, 516,159.60 and 218,135.20
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Solution
The fourth proportional to 344,106.40, 516,159.60 and 218,135.20 is: 327,202.80
Step by Step Solution
- Step 1: Write the proportion equation
344,106.40 : 516,159.60 = 218,135.20 : x - Step 2: Convert to fraction form
344,106.40/516,159.60 = 218,135.20/x - Step 3: Cross multiply
344,106.40x = 516,159.60 × 218,135.20 - Step 4: Simplify right side
344,106.40x = 112,592,577,577.92 - Step 5: Solve for x
x = 112,592,577,577.92/344,106.40 - Step 6: Final answer
x = 327,202.80
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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.