Finding the Fourth Proportional to 470,634.07, 649,531.70 and 269,425.75
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Solution
The fourth proportional to 470,634.07, 649,531.70 and 269,425.75 is: 371,839.98
Step by Step Solution
- Step 1: Write the proportion equation
470,634.07 : 649,531.70 = 269,425.75 : x - Step 2: Convert to fraction form
470,634.07/649,531.70 = 269,425.75/x - Step 3: Cross multiply
470,634.07x = 649,531.70 × 269,425.75 - Step 4: Simplify right side
470,634.07x = 175,000,565,421.28 - Step 5: Solve for x
x = 175,000,565,421.28/470,634.07 - Step 6: Final answer
x = 371,839.98
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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.