Finding the Fourth Proportional to 563,194.80, 777,202.32 and 305,066.80
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Solution
The fourth proportional to 563,194.80, 777,202.32 and 305,066.80 is: 420,988.66
Step by Step Solution
- Step 1: Write the proportion equation
563,194.80 : 777,202.32 = 305,066.80 : x - Step 2: Convert to fraction form
563,194.80/777,202.32 = 305,066.80/x - Step 3: Cross multiply
563,194.80x = 777,202.32 × 305,066.80 - Step 4: Simplify right side
563,194.80x = 237,098,624,714.98 - Step 5: Solve for x
x = 237,098,624,714.98/563,194.80 - Step 6: Final answer
x = 420,988.66
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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.