Finding the Fourth Proportional to 443,266.42, 611,636.41 and 252,283.02
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Solution
The fourth proportional to 443,266.42, 611,636.41 and 252,283.02 is: 348,110.02
Step by Step Solution
- Step 1: Write the proportion equation
443,266.42 : 611,636.41 = 252,283.02 : x - Step 2: Convert to fraction form
443,266.42/611,636.41 = 252,283.02/x - Step 3: Cross multiply
443,266.42x = 611,636.41 × 252,283.02 - Step 4: Simplify right side
443,266.42x = 154,305,480,656.76 - Step 5: Solve for x
x = 154,305,480,656.76/443,266.42 - Step 6: Final answer
x = 348,110.02
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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.