Finding the Fourth Proportional to 513,685.56, 770,680.98 and 247,369.08
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Solution
The fourth proportional to 513,685.56, 770,680.98 and 247,369.08 is: 371,127.12
Step by Step Solution
- Step 1: Write the proportion equation
513,685.56 : 770,680.98 = 247,369.08 : x - Step 2: Convert to fraction form
513,685.56/770,680.98 = 247,369.08/x - Step 3: Cross multiply
513,685.56x = 770,680.98 × 247,369.08 - Step 4: Simplify right side
513,685.56x = 190,642,644,996.10 - Step 5: Solve for x
x = 190,642,644,996.10/513,685.56 - Step 6: Final answer
x = 371,127.12
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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.