Finding the Fourth Proportional to 371,795.09, 513,035.58 and 210,615.62
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Solution
The fourth proportional to 371,795.09, 513,035.58 and 210,615.62 is: 290,625.96
Step by Step Solution
- Step 1: Write the proportion equation
371,795.09 : 513,035.58 = 210,615.62 : x - Step 2: Convert to fraction form
371,795.09/513,035.58 = 210,615.62/x - Step 3: Cross multiply
371,795.09x = 513,035.58 × 210,615.62 - Step 4: Simplify right side
371,795.09x = 108,053,306,763.76 - Step 5: Solve for x
x = 108,053,306,763.76/371,795.09 - Step 6: Final answer
x = 290,625.96
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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.