Finding the Fourth Proportional to 192,650.74, 289,058.80 and 74,405.12
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Solution
The fourth proportional to 192,650.74, 289,058.80 and 74,405.12 is: 111,639.62
Step by Step Solution
- Step 1: Write the proportion equation
192,650.74 : 289,058.80 = 74,405.12 : x - Step 2: Convert to fraction form
192,650.74/289,058.80 = 74,405.12/x - Step 3: Cross multiply
192,650.74x = 289,058.80 × 74,405.12 - Step 4: Simplify right side
192,650.74x = 21,507,454,701.06 - Step 5: Solve for x
x = 21,507,454,701.06/192,650.74 - Step 6: Final answer
x = 111,639.62
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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.