Finding the Fourth Proportional to 487,556.28, 672,862.82 and 272,765.48
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Solution
The fourth proportional to 487,556.28, 672,862.82 and 272,765.48 is: 376,436.02
Step by Step Solution
- Step 1: Write the proportion equation
487,556.28 : 672,862.82 = 272,765.48 : x - Step 2: Convert to fraction form
487,556.28/672,862.82 = 272,765.48/x - Step 3: Cross multiply
487,556.28x = 672,862.82 × 272,765.48 - Step 4: Simplify right side
487,556.28x = 183,533,745,343.31 - Step 5: Solve for x
x = 183,533,745,343.31/487,556.28 - Step 6: Final answer
x = 376,436.02
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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.