Finding the Fourth Proportional to 294,537.13, 441,805.69 and 72,921.13
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Solution
The fourth proportional to 294,537.13, 441,805.69 and 72,921.13 is: 109,381.69
Step by Step Solution
- Step 1: Write the proportion equation
294,537.13 : 441,805.69 = 72,921.13 : x - Step 2: Convert to fraction form
294,537.13/441,805.69 = 72,921.13/x - Step 3: Cross multiply
294,537.13x = 441,805.69 × 72,921.13 - Step 4: Simplify right side
294,537.13x = 32,216,970,155.23 - Step 5: Solve for x
x = 32,216,970,155.23/294,537.13 - Step 6: Final answer
x = 109,381.69
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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.