Finding the Fourth Proportional to 157,127.72, 235,693.73 and 44,807.99
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Solution
The fourth proportional to 157,127.72, 235,693.73 and 44,807.99 is: 67,212.59
Step by Step Solution
- Step 1: Write the proportion equation
157,127.72 : 235,693.73 = 44,807.99 : x - Step 2: Convert to fraction form
157,127.72/235,693.73 = 44,807.99/x - Step 3: Cross multiply
157,127.72x = 235,693.73 × 44,807.99 - Step 4: Simplify right side
157,127.72x = 10,560,961,230.45 - Step 5: Solve for x
x = 10,560,961,230.45/157,127.72 - Step 6: Final answer
x = 67,212.59
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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.