Finding the Fourth Proportional to 159,842.91, 239,809.32 and 69,893.53
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Solution
The fourth proportional to 159,842.91, 239,809.32 and 69,893.53 is: 104,859.95
Step by Step Solution
- Step 1: Write the proportion equation
159,842.91 : 239,809.32 = 69,893.53 : x - Step 2: Convert to fraction form
159,842.91/239,809.32 = 69,893.53/x - Step 3: Cross multiply
159,842.91x = 239,809.32 × 69,893.53 - Step 4: Simplify right side
159,842.91x = 16,761,119,302.18 - Step 5: Solve for x
x = 16,761,119,302.18/159,842.91 - Step 6: Final answer
x = 104,859.95
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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.