Finding the Fourth Proportional to 392,853.08, 542,137.34 and 214,005.08
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Solution
The fourth proportional to 392,853.08, 542,137.34 and 214,005.08 is: 295,327.06
Step by Step Solution
- Step 1: Write the proportion equation
392,853.08 : 542,137.34 = 214,005.08 : x - Step 2: Convert to fraction form
392,853.08/542,137.34 = 214,005.08/x - Step 3: Cross multiply
392,853.08x = 542,137.34 × 214,005.08 - Step 4: Simplify right side
392,853.08x = 116,020,144,817.69 - Step 5: Solve for x
x = 116,020,144,817.69/392,853.08 - Step 6: Final answer
x = 295,327.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.