Finding the Fourth Proportional to 353,245.89, 487,492.18 and 202,372.05
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Solution
The fourth proportional to 353,245.89, 487,492.18 and 202,372.05 is: 279,280.79
Step by Step Solution
- Step 1: Write the proportion equation
353,245.89 : 487,492.18 = 202,372.05 : x - Step 2: Convert to fraction form
353,245.89/487,492.18 = 202,372.05/x - Step 3: Cross multiply
353,245.89x = 487,492.18 × 202,372.05 - Step 4: Simplify right side
353,245.89x = 98,654,791,825.57 - Step 5: Solve for x
x = 98,654,791,825.57/353,245.89 - Step 6: Final answer
x = 279,280.79
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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.