Finding the Fourth Proportional to 353,371.98, 487,833.99 and 272,618.22
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Solution
The fourth proportional to 353,371.98, 487,833.99 and 272,618.22 is: 376,352.52
Step by Step Solution
- Step 1: Write the proportion equation
353,371.98 : 487,833.99 = 272,618.22 : x - Step 2: Convert to fraction form
353,371.98/487,833.99 = 272,618.22/x - Step 3: Cross multiply
353,371.98x = 487,833.99 × 272,618.22 - Step 4: Simplify right side
353,371.98x = 132,992,434,009.30 - Step 5: Solve for x
x = 132,992,434,009.30/353,371.98 - Step 6: Final answer
x = 376,352.52
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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.