Finding the Fourth Proportional to 371,795.34, 513,035.93 and 210,615.87
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Solution
The fourth proportional to 371,795.34, 513,035.93 and 210,615.87 is: 290,626.31
Step by Step Solution
- Step 1: Write the proportion equation
371,795.34 : 513,035.93 = 210,615.87 : x - Step 2: Convert to fraction form
371,795.34/513,035.93 = 210,615.87/x - Step 3: Cross multiply
371,795.34x = 513,035.93 × 210,615.87 - Step 4: Simplify right side
371,795.34x = 108,053,507,685.13 - Step 5: Solve for x
x = 108,053,507,685.13/371,795.34 - Step 6: Final answer
x = 290,626.31
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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.