Finding the Fourth Proportional to 371,797.09, 513,038.34 and 210,617.62
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Solution
The fourth proportional to 371,797.09, 513,038.34 and 210,617.62 is: 290,628.72
Step by Step Solution
- Step 1: Write the proportion equation
371,797.09 : 513,038.34 = 210,617.62 : x - Step 2: Convert to fraction form
371,797.09/513,038.34 = 210,617.62/x - Step 3: Cross multiply
371,797.09x = 513,038.34 × 210,617.62 - Step 4: Simplify right side
371,797.09x = 108,054,914,139.55 - Step 5: Solve for x
x = 108,054,914,139.55/371,797.09 - Step 6: Final answer
x = 290,628.72
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1.5x scale
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.