Finding the Fourth Proportional to 214,210.91, 319,401.26 and 208,325.62
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Solution
The fourth proportional to 214,210.91, 319,401.26 and 208,325.62 is: 310,625.94
Step by Step Solution
- Step 1: Write the proportion equation
214,210.91 : 319,401.26 = 208,325.62 : x - Step 2: Convert to fraction form
214,210.91/319,401.26 = 208,325.62/x - Step 3: Cross multiply
214,210.91x = 319,401.26 × 208,325.62 - Step 4: Simplify right side
214,210.91x = 66,539,465,240.59 - Step 5: Solve for x
x = 66,539,465,240.59/214,210.91 - Step 6: Final answer
x = 310,625.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.