Finding the Fourth Proportional to 214,211.10, 321,316.65 and 125,564.70
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Solution
The fourth proportional to 214,211.10, 321,316.65 and 125,564.70 is: 188,347.05
Step by Step Solution
- Step 1: Write the proportion equation
214,211.10 : 321,316.65 = 125,564.70 : x - Step 2: Convert to fraction form
214,211.10/321,316.65 = 125,564.70/x - Step 3: Cross multiply
214,211.10x = 321,316.65 × 125,564.70 - Step 4: Simplify right side
214,211.10x = 40,346,028,762.26 - Step 5: Solve for x
x = 40,346,028,762.26/214,211.10 - Step 6: Final answer
x = 188,347.05
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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.