Finding the Fourth Proportional to 159,743.15, 239,524.81 and 53,069.99
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Solution
The fourth proportional to 159,743.15, 239,524.81 and 53,069.99 is: 79,575.12
Step by Step Solution
- Step 1: Write the proportion equation
159,743.15 : 239,524.81 = 53,069.99 : x - Step 2: Convert to fraction form
159,743.15/239,524.81 = 53,069.99/x - Step 3: Cross multiply
159,743.15x = 239,524.81 × 53,069.99 - Step 4: Simplify right side
159,743.15x = 12,711,579,737.59 - Step 5: Solve for x
x = 12,711,579,737.59/159,743.15 - Step 6: Final answer
x = 79,575.12
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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.