Finding the Fourth Proportional to 157,102.11, 235,617.66 and 44,779.91
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Solution
The fourth proportional to 157,102.11, 235,617.66 and 44,779.91 is: 67,159.74
Step by Step Solution
- Step 1: Write the proportion equation
157,102.11 : 235,617.66 = 44,779.91 : x - Step 2: Convert to fraction form
157,102.11/235,617.66 = 44,779.91/x - Step 3: Cross multiply
157,102.11x = 235,617.66 × 44,779.91 - Step 4: Simplify right side
157,102.11x = 10,550,936,431.12 - Step 5: Solve for x
x = 10,550,936,431.12/157,102.11 - Step 6: Final answer
x = 67,159.74
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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.