Finding the Fourth Proportional to 106,327.20, 159,490.80 and 98,032.80
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Solution
The fourth proportional to 106,327.20, 159,490.80 and 98,032.80 is: 147,049.20
Step by Step Solution
- Step 1: Write the proportion equation
106,327.20 : 159,490.80 = 98,032.80 : x - Step 2: Convert to fraction form
106,327.20/159,490.80 = 98,032.80/x - Step 3: Cross multiply
106,327.20x = 159,490.80 × 98,032.80 - Step 4: Simplify right side
106,327.20x = 15,635,329,698.24 - Step 5: Solve for x
x = 15,635,329,698.24/106,327.20 - Step 6: Final answer
x = 147,049.20
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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.