Finding the Fourth Proportional to 353,029.53, 529,578.95 and 100,321.68
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Solution
The fourth proportional to 353,029.53, 529,578.95 and 100,321.68 is: 150,492.37
Step by Step Solution
- Step 1: Write the proportion equation
353,029.53 : 529,578.95 = 100,321.68 : x - Step 2: Convert to fraction form
353,029.53/529,578.95 = 100,321.68/x - Step 3: Cross multiply
353,029.53x = 529,578.95 × 100,321.68 - Step 4: Simplify right side
353,029.53x = 53,128,249,455.03 - Step 5: Solve for x
x = 53,128,249,455.03/353,029.53 - Step 6: Final answer
x = 150,492.37
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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.