Finding the Fourth Proportional to 214,073.28, 321,004.08 and 125,349.12
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Solution
The fourth proportional to 214,073.28, 321,004.08 and 125,349.12 is: 187,961.71
Step by Step Solution
- Step 1: Write the proportion equation
214,073.28 : 321,004.08 = 125,349.12 : x - Step 2: Convert to fraction form
214,073.28/321,004.08 = 125,349.12/x - Step 3: Cross multiply
214,073.28x = 321,004.08 × 125,349.12 - Step 4: Simplify right side
214,073.28x = 40,237,578,944.41 - Step 5: Solve for x
x = 40,237,578,944.41/214,073.28 - Step 6: Final answer
x = 187,961.71
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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.