Finding the Fourth Proportional to 351,465.64, 485,021.71 and 190,320.68
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Solution
The fourth proportional to 351,465.64, 485,021.71 and 190,320.68 is: 262,642.06
Step by Step Solution
- Step 1: Write the proportion equation
351,465.64 : 485,021.71 = 190,320.68 : x - Step 2: Convert to fraction form
351,465.64/485,021.71 = 190,320.68/x - Step 3: Cross multiply
351,465.64x = 485,021.71 × 190,320.68 - Step 4: Simplify right side
351,465.64x = 92,309,658,761.05 - Step 5: Solve for x
x = 92,309,658,761.05/351,465.64 - Step 6: Final answer
x = 262,642.06
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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.