Finding the Fourth Proportional to 352,913.92, 529,315.12 and 293,324.96
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Solution
The fourth proportional to 352,913.92, 529,315.12 and 293,324.96 is: 439,941.09
Step by Step Solution
- Step 1: Write the proportion equation
352,913.92 : 529,315.12 = 293,324.96 : x - Step 2: Convert to fraction form
352,913.92/529,315.12 = 293,324.96/x - Step 3: Cross multiply
352,913.92x = 529,315.12 × 293,324.96 - Step 4: Simplify right side
352,913.92x = 155,261,336,401.40 - Step 5: Solve for x
x = 155,261,336,401.40/352,913.92 - Step 6: Final answer
x = 439,941.09
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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.