Finding the Fourth Proportional to 460,894.84, 691,342.26 and 145,376.34
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Solution
The fourth proportional to 460,894.84, 691,342.26 and 145,376.34 is: 218,064.51
Step by Step Solution
- Step 1: Write the proportion equation
460,894.84 : 691,342.26 = 145,376.34 : x - Step 2: Convert to fraction form
460,894.84/691,342.26 = 145,376.34/x - Step 3: Cross multiply
460,894.84x = 691,342.26 × 145,376.34 - Step 4: Simplify right side
460,894.84x = 100,504,807,446.13 - Step 5: Solve for x
x = 100,504,807,446.13/460,894.84 - Step 6: Final answer
x = 218,064.51
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Similar ratio
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1.5x scale
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.