Finding the Fourth Proportional to 353,207.20, 529,810.80 and 116,492.80
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Solution
The fourth proportional to 353,207.20, 529,810.80 and 116,492.80 is: 174,739.20
Step by Step Solution
- Step 1: Write the proportion equation
353,207.20 : 529,810.80 = 116,492.80 : x - Step 2: Convert to fraction form
353,207.20/529,810.80 = 116,492.80/x - Step 3: Cross multiply
353,207.20x = 529,810.80 × 116,492.80 - Step 4: Simplify right side
353,207.20x = 61,719,143,562.24 - Step 5: Solve for x
x = 61,719,143,562.24/353,207.20 - Step 6: Final answer
x = 174,739.20
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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.