Finding the Fourth Proportional to 351,530.58, 485,109.42 and 190,381.92
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Solution
The fourth proportional to 351,530.58, 485,109.42 and 190,381.92 is: 262,725.54
Step by Step Solution
- Step 1: Write the proportion equation
351,530.58 : 485,109.42 = 190,381.92 : x - Step 2: Convert to fraction form
351,530.58/485,109.42 = 190,381.92/x - Step 3: Cross multiply
351,530.58x = 485,109.42 × 190,381.92 - Step 4: Simplify right side
351,530.58x = 92,356,062,789.69 - Step 5: Solve for x
x = 92,356,062,789.69/351,530.58 - Step 6: Final answer
x = 262,725.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.