Finding the Fourth Proportional to 581,409.70, 802,252.65 and 351,927.79
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Solution
The fourth proportional to 581,409.70, 802,252.65 and 351,927.79 is: 485,604.22
Step by Step Solution
- Step 1: Write the proportion equation
581,409.70 : 802,252.65 = 351,927.79 : x - Step 2: Convert to fraction form
581,409.70/802,252.65 = 351,927.79/x - Step 3: Cross multiply
581,409.70x = 802,252.65 × 351,927.79 - Step 4: Simplify right side
581,409.70x = 282,335,001,450.24 - Step 5: Solve for x
x = 282,335,001,450.24/581,409.70 - Step 6: Final answer
x = 485,604.22
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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.