Finding the Fourth Proportional to 513,213.17, 770,035.07 and 228,707.75
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Solution
The fourth proportional to 513,213.17, 770,035.07 and 228,707.75 is: 343,157.59
Step by Step Solution
- Step 1: Write the proportion equation
513,213.17 : 770,035.07 = 228,707.75 : x - Step 2: Convert to fraction form
513,213.17/770,035.07 = 228,707.75/x - Step 3: Cross multiply
513,213.17x = 770,035.07 × 228,707.75 - Step 4: Simplify right side
513,213.17x = 176,112,990,777.65 - Step 5: Solve for x
x = 176,112,990,777.65/513,213.17 - Step 6: Final answer
x = 343,157.59
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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.