Finding the Fourth Proportional to 460,432.44, 690,643.80 and 179,947.26
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Solution
The fourth proportional to 460,432.44, 690,643.80 and 179,947.26 is: 269,918.99
Step by Step Solution
- Step 1: Write the proportion equation
460,432.44 : 690,643.80 = 179,947.26 : x - Step 2: Convert to fraction form
460,432.44/690,643.80 = 179,947.26/x - Step 3: Cross multiply
460,432.44x = 690,643.80 × 179,947.26 - Step 4: Simplify right side
460,432.44x = 124,279,459,445.99 - Step 5: Solve for x
x = 124,279,459,445.99/460,432.44 - Step 6: Final answer
x = 269,918.99
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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.