Finding the Fourth Proportional to 351,465.26, 485,021.18 and 190,320.31
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Solution
The fourth proportional to 351,465.26, 485,021.18 and 190,320.31 is: 262,641.55
Step by Step Solution
- Step 1: Write the proportion equation
351,465.26 : 485,021.18 = 190,320.31 : x - Step 2: Convert to fraction form
351,465.26/485,021.18 = 190,320.31/x - Step 3: Cross multiply
351,465.26x = 485,021.18 × 190,320.31 - Step 4: Simplify right side
351,465.26x = 92,309,380,597.41 - Step 5: Solve for x
x = 92,309,380,597.41/351,465.26 - Step 6: Final answer
x = 262,641.55
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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.