Finding the Fourth Proportional to 352,808.79, 528,524.20 and 281,878.98
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Solution
The fourth proportional to 352,808.79, 528,524.20 and 281,878.98 is: 422,268.00
Step by Step Solution
- Step 1: Write the proportion equation
352,808.79 : 528,524.20 = 281,878.98 : x - Step 2: Convert to fraction form
352,808.79/528,524.20 = 281,878.98/x - Step 3: Cross multiply
352,808.79x = 528,524.20 × 281,878.98 - Step 4: Simplify right side
352,808.79x = 148,979,862,401.32 - Step 5: Solve for x
x = 148,979,862,401.32/352,808.79 - Step 6: Final answer
x = 422,268.00
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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.