Finding the Fourth Proportional to 504,967.16, 697,107.21 and 314,042.06
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Solution
The fourth proportional to 504,967.16, 697,107.21 and 314,042.06 is: 433,535.09
Step by Step Solution
- Step 1: Write the proportion equation
504,967.16 : 697,107.21 = 314,042.06 : x - Step 2: Convert to fraction form
504,967.16/697,107.21 = 314,042.06/x - Step 3: Cross multiply
504,967.16x = 697,107.21 × 314,042.06 - Step 4: Simplify right side
504,967.16x = 218,920,984,269.25 - Step 5: Solve for x
x = 218,920,984,269.25/504,967.16 - Step 6: Final answer
x = 433,535.09
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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.