Finding the Fourth Proportional to 329,241.24, 493,862.40 and 79,923.24
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Solution
The fourth proportional to 329,241.24, 493,862.40 and 79,923.24 is: 119,884.99
Step by Step Solution
- Step 1: Write the proportion equation
329,241.24 : 493,862.40 = 79,923.24 : x - Step 2: Convert to fraction form
329,241.24/493,862.40 = 79,923.24/x - Step 3: Cross multiply
329,241.24x = 493,862.40 × 79,923.24 - Step 4: Simplify right side
329,241.24x = 39,471,083,122.18 - Step 5: Solve for x
x = 39,471,083,122.18/329,241.24 - Step 6: Final answer
x = 119,884.99
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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.