Finding the Fourth Proportional to 513,536.24, 770,343.24 and 139,553.84
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Solution
The fourth proportional to 513,536.24, 770,343.24 and 139,553.84 is: 209,341.33
Step by Step Solution
- Step 1: Write the proportion equation
513,536.24 : 770,343.24 = 139,553.84 : x - Step 2: Convert to fraction form
513,536.24/770,343.24 = 139,553.84/x - Step 3: Cross multiply
513,536.24x = 770,343.24 × 139,553.84 - Step 4: Simplify right side
513,536.24x = 107,504,357,260.04 - Step 5: Solve for x
x = 107,504,357,260.04/513,536.24 - Step 6: Final answer
x = 209,341.33
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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.