Finding the Fourth Proportional to 371,964.99, 513,316.81 and 202,202.76
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Solution
The fourth proportional to 371,964.99, 513,316.81 and 202,202.76 is: 279,042.60
Step by Step Solution
- Step 1: Write the proportion equation
371,964.99 : 513,316.81 = 202,202.76 : x - Step 2: Convert to fraction form
371,964.99/513,316.81 = 202,202.76/x - Step 3: Cross multiply
371,964.99x = 513,316.81 × 202,202.76 - Step 4: Simplify right side
371,964.99x = 103,794,077,914.09 - Step 5: Solve for x
x = 103,794,077,914.09/371,964.99 - Step 6: Final answer
x = 279,042.60
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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.