Finding the Fourth Proportional to 108,219.19, 162,324.16 and 105,685.00
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Solution
The fourth proportional to 108,219.19, 162,324.16 and 105,685.00 is: 158,522.99
Step by Step Solution
- Step 1: Write the proportion equation
108,219.19 : 162,324.16 = 105,685.00 : x - Step 2: Convert to fraction form
108,219.19/162,324.16 = 105,685.00/x - Step 3: Cross multiply
108,219.19x = 162,324.16 × 105,685.00 - Step 4: Simplify right side
108,219.19x = 17,155,228,987.75 - Step 5: Solve for x
x = 17,155,228,987.75/108,219.19 - Step 6: Final answer
x = 158,522.99
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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.