Finding the Fourth Proportional to 159,955.21, 239,741.96 and 74,451.00
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Solution
The fourth proportional to 159,955.21, 239,741.96 and 74,451.00 is: 111,587.67
Step by Step Solution
- Step 1: Write the proportion equation
159,955.21 : 239,741.96 = 74,451.00 : x - Step 2: Convert to fraction form
159,955.21/239,741.96 = 74,451.00/x - Step 3: Cross multiply
159,955.21x = 239,741.96 × 74,451.00 - Step 4: Simplify right side
159,955.21x = 17,849,029,609.52 - Step 5: Solve for x
x = 17,849,029,609.52/159,955.21 - Step 6: Final answer
x = 111,587.67
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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.