Finding the Fourth Proportional to 159,490.72, 239,164.99 and 84,593.82
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Solution
The fourth proportional to 159,490.72, 239,164.99 and 84,593.82 is: 126,853.02
Step by Step Solution
- Step 1: Write the proportion equation
159,490.72 : 239,164.99 = 84,593.82 : x - Step 2: Convert to fraction form
159,490.72/239,164.99 = 84,593.82/x - Step 3: Cross multiply
159,490.72x = 239,164.99 × 84,593.82 - Step 4: Simplify right side
159,490.72x = 20,231,879,454.44 - Step 5: Solve for x
x = 20,231,879,454.44/159,490.72 - Step 6: Final answer
x = 126,853.02
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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.