Finding the Fourth Proportional to 563,372.02, 777,446.76 and 305,243.92
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Solution
The fourth proportional to 563,372.02, 777,446.76 and 305,243.92 is: 421,233.02
Step by Step Solution
- Step 1: Write the proportion equation
563,372.02 : 777,446.76 = 305,243.92 : x - Step 2: Convert to fraction form
563,372.02/777,446.76 = 305,243.92/x - Step 3: Cross multiply
563,372.02x = 777,446.76 × 305,243.92 - Step 4: Simplify right side
563,372.02x = 237,310,894,670.08 - Step 5: Solve for x
x = 237,310,894,670.08/563,372.02 - Step 6: Final answer
x = 421,233.02
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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.