Finding the Fourth Proportional to 159,289.19, 238,970.74 and 54,108.26
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Solution
The fourth proportional to 159,289.19, 238,970.74 and 54,108.26 is: 81,174.94
Step by Step Solution
- Step 1: Write the proportion equation
159,289.19 : 238,970.74 = 54,108.26 : x - Step 2: Convert to fraction form
159,289.19/238,970.74 = 54,108.26/x - Step 3: Cross multiply
159,289.19x = 238,970.74 × 54,108.26 - Step 4: Simplify right side
159,289.19x = 12,930,290,932.31 - Step 5: Solve for x
x = 12,930,290,932.31/159,289.19 - Step 6: Final answer
x = 81,174.94
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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.