Finding the Fourth Proportional to 443,534.36, 612,077.67 and 239,585.28
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Solution
The fourth proportional to 443,534.36, 612,077.67 and 239,585.28 is: 330,627.82
Step by Step Solution
- Step 1: Write the proportion equation
443,534.36 : 612,077.67 = 239,585.28 : x - Step 2: Convert to fraction form
443,534.36/612,077.67 = 239,585.28/x - Step 3: Cross multiply
443,534.36x = 612,077.67 × 239,585.28 - Step 4: Simplify right side
443,534.36x = 146,644,799,948.70 - Step 5: Solve for x
x = 146,644,799,948.70/443,534.36 - Step 6: Final answer
x = 330,627.82
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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.