Finding the Fourth Proportional to 535,229.84, 738,686.76 and 351,626.96
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Solution
The fourth proportional to 535,229.84, 738,686.76 and 351,626.96 is: 485,290.92
Step by Step Solution
- Step 1: Write the proportion equation
535,229.84 : 738,686.76 = 351,626.96 : x - Step 2: Convert to fraction form
535,229.84/738,686.76 = 351,626.96/x - Step 3: Cross multiply
535,229.84x = 738,686.76 × 351,626.96 - Step 4: Simplify right side
535,229.84x = 259,742,179,811.05 - Step 5: Solve for x
x = 259,742,179,811.05/535,229.84 - Step 6: Final answer
x = 485,290.92
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1.5x scale
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.