Finding the Fourth Proportional to 392,954.50, 542,277.24 and 214,106.50
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Solution
The fourth proportional to 392,954.50, 542,277.24 and 214,106.50 is: 295,466.99
Step by Step Solution
- Step 1: Write the proportion equation
392,954.50 : 542,277.24 = 214,106.50 : x - Step 2: Convert to fraction form
392,954.50/542,277.24 = 214,106.50/x - Step 3: Cross multiply
392,954.50x = 542,277.24 × 214,106.50 - Step 4: Simplify right side
392,954.50x = 116,105,081,886.06 - Step 5: Solve for x
x = 116,105,081,886.06/392,954.50 - Step 6: Final answer
x = 295,466.99
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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.