Finding the Fourth Proportional to 658,332.06, 987,532.25 and 209,088.09
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Solution
The fourth proportional to 658,332.06, 987,532.25 and 209,088.09 is: 313,642.98
Step by Step Solution
- Step 1: Write the proportion equation
658,332.06 : 987,532.25 = 209,088.09 : x - Step 2: Convert to fraction form
658,332.06/987,532.25 = 209,088.09/x - Step 3: Cross multiply
658,332.06x = 987,532.25 × 209,088.09 - Step 4: Simplify right side
658,332.06x = 206,481,230,920.46 - Step 5: Solve for x
x = 206,481,230,920.46/658,332.06 - Step 6: Final answer
x = 313,642.98
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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.