Finding the Fourth Proportional to 214,887.98, 321,889.01 and 125,871.62
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Solution
The fourth proportional to 214,887.98, 321,889.01 and 125,871.62 is: 188,547.95
Step by Step Solution
- Step 1: Write the proportion equation
214,887.98 : 321,889.01 = 125,871.62 : x - Step 2: Convert to fraction form
214,887.98/321,889.01 = 125,871.62/x - Step 3: Cross multiply
214,887.98x = 321,889.01 × 125,871.62 - Step 4: Simplify right side
214,887.98x = 40,516,688,910.09 - Step 5: Solve for x
x = 40,516,688,910.09/214,887.98 - Step 6: Final answer
x = 188,547.95
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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.