Finding the Fourth Proportional to 159,746.10, 239,578.13 and 47,399.75
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Solution
The fourth proportional to 159,746.10, 239,578.13 and 47,399.75 is: 71,087.45
Step by Step Solution
- Step 1: Write the proportion equation
159,746.10 : 239,578.13 = 47,399.75 : x - Step 2: Convert to fraction form
159,746.10/239,578.13 = 47,399.75/x - Step 3: Cross multiply
159,746.10x = 239,578.13 × 47,399.75 - Step 4: Simplify right side
159,746.10x = 11,355,942,269.58 - Step 5: Solve for x
x = 11,355,942,269.58/159,746.10 - Step 6: Final answer
x = 71,087.45
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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.