Finding the Fourth Proportional to 214,448.88, 321,579.86 and 72,267.66
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Solution
The fourth proportional to 214,448.88, 321,579.86 and 72,267.66 is: 108,369.99
Step by Step Solution
- Step 1: Write the proportion equation
214,448.88 : 321,579.86 = 72,267.66 : x - Step 2: Convert to fraction form
214,448.88/321,579.86 = 72,267.66/x - Step 3: Cross multiply
214,448.88x = 321,579.86 × 72,267.66 - Step 4: Simplify right side
214,448.88x = 23,239,823,985.33 - Step 5: Solve for x
x = 23,239,823,985.33/214,448.88 - Step 6: Final answer
x = 108,369.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.