Finding the Fourth Proportional to 651,912.29, 899,730.85 and 361,588.42
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Solution
The fourth proportional to 651,912.29, 899,730.85 and 361,588.42 is: 499,042.99
Step by Step Solution
- Step 1: Write the proportion equation
651,912.29 : 899,730.85 = 361,588.42 : x - Step 2: Convert to fraction form
651,912.29/899,730.85 = 361,588.42/x - Step 3: Cross multiply
651,912.29x = 899,730.85 × 361,588.42 - Step 4: Simplify right side
651,912.29x = 325,332,256,358.46 - Step 5: Solve for x
x = 325,332,256,358.46/651,912.29 - Step 6: Final answer
x = 499,042.99
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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.