Finding the Fourth Proportional to 409,947.75, 614,724.78 and 232,407.09
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Solution
The fourth proportional to 409,947.75, 614,724.78 and 232,407.09 is: 348,499.04
Step by Step Solution
- Step 1: Write the proportion equation
409,947.75 : 614,724.78 = 232,407.09 : x - Step 2: Convert to fraction form
409,947.75/614,724.78 = 232,407.09/x - Step 3: Cross multiply
409,947.75x = 614,724.78 × 232,407.09 - Step 4: Simplify right side
409,947.75x = 142,866,397,270.69 - Step 5: Solve for x
x = 142,866,397,270.69/409,947.75 - Step 6: Final answer
x = 348,499.04
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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.