Finding the Fourth Proportional to 513,892.19, 770,572.70 and 225,585.84
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Solution
The fourth proportional to 513,892.19, 770,572.70 and 225,585.84 is: 338,262.17
Step by Step Solution
- Step 1: Write the proportion equation
513,892.19 : 770,572.70 = 225,585.84 : x - Step 2: Convert to fraction form
513,892.19/770,572.70 = 225,585.84/x - Step 3: Cross multiply
513,892.19x = 770,572.70 × 225,585.84 - Step 4: Simplify right side
513,892.19x = 173,830,287,884.14 - Step 5: Solve for x
x = 173,830,287,884.14/513,892.19 - Step 6: Final answer
x = 338,262.17
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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.