Finding the Fourth Proportional to 837,991.97, 1,256,994.33 and 238,952.62
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Solution
The fourth proportional to 837,991.97, 1,256,994.33 and 238,952.62 is: 358,430.75
Step by Step Solution
- Step 1: Write the proportion equation
837,991.97 : 1,256,994.33 = 238,952.62 : x - Step 2: Convert to fraction form
837,991.97/1,256,994.33 = 238,952.62/x - Step 3: Cross multiply
837,991.97x = 1,256,994.33 × 238,952.62 - Step 4: Simplify right side
837,991.97x = 300,362,088,478.65 - Step 5: Solve for x
x = 300,362,088,478.65/837,991.97 - Step 6: Final answer
x = 358,430.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.