Finding the Fourth Proportional to 351,715.14, 485,365.20 and 190,570.17
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Solution
The fourth proportional to 351,715.14, 485,365.20 and 190,570.17 is: 262,985.92
Step by Step Solution
- Step 1: Write the proportion equation
351,715.14 : 485,365.20 = 190,570.17 : x - Step 2: Convert to fraction form
351,715.14/485,365.20 = 190,570.17/x - Step 3: Cross multiply
351,715.14x = 485,365.20 × 190,570.17 - Step 4: Simplify right side
351,715.14x = 92,496,128,676.08 - Step 5: Solve for x
x = 92,496,128,676.08/351,715.14 - Step 6: Final answer
x = 262,985.92
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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.