Finding the Fourth Proportional to 371,794.36, 513,074.86 and 210,680.08
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Solution
The fourth proportional to 371,794.36, 513,074.86 and 210,680.08 is: 290,737.74
Step by Step Solution
- Step 1: Write the proportion equation
371,794.36 : 513,074.86 = 210,680.08 : x - Step 2: Convert to fraction form
371,794.36/513,074.86 = 210,680.08/x - Step 3: Cross multiply
371,794.36x = 513,074.86 × 210,680.08 - Step 4: Simplify right side
371,794.36x = 108,094,652,550.79 - Step 5: Solve for x
x = 108,094,652,550.79/371,794.36 - Step 6: Final answer
x = 290,737.74
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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.