Finding the Fourth Proportional to 420,201.26, 579,881.93 and 229,218.65
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Solution
The fourth proportional to 420,201.26, 579,881.93 and 229,218.65 is: 316,324.02
Step by Step Solution
- Step 1: Write the proportion equation
420,201.26 : 579,881.93 = 229,218.65 : x - Step 2: Convert to fraction form
420,201.26/579,881.93 = 229,218.65/x - Step 3: Cross multiply
420,201.26x = 579,881.93 × 229,218.65 - Step 4: Simplify right side
420,201.26x = 132,919,749,108.49 - Step 5: Solve for x
x = 132,919,749,108.49/420,201.26 - Step 6: Final answer
x = 316,324.02
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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.