Finding the Fourth Proportional to 432,883.10, 649,652.70 and 283,073.60
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Solution
The fourth proportional to 432,883.10, 649,652.70 and 283,073.60 is: 424,824.92
Step by Step Solution
- Step 1: Write the proportion equation
432,883.10 : 649,652.70 = 283,073.60 : x - Step 2: Convert to fraction form
432,883.10/649,652.70 = 283,073.60/x - Step 3: Cross multiply
432,883.10x = 649,652.70 × 283,073.60 - Step 4: Simplify right side
432,883.10x = 183,899,528,538.72 - Step 5: Solve for x
x = 183,899,528,538.72/432,883.10 - Step 6: Final answer
x = 424,824.92
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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.