Finding the Fourth Proportional to 239,106.52, 358,742.81 and 106,080.19
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Solution
The fourth proportional to 239,106.52, 358,742.81 and 106,080.19 is: 159,157.12
Step by Step Solution
- Step 1: Write the proportion equation
239,106.52 : 358,742.81 = 106,080.19 : x - Step 2: Convert to fraction form
239,106.52/358,742.81 = 106,080.19/x - Step 3: Cross multiply
239,106.52x = 358,742.81 × 106,080.19 - Step 4: Simplify right side
239,106.52x = 38,055,505,445.93 - Step 5: Solve for x
x = 38,055,505,445.93/239,106.52 - Step 6: Final answer
x = 159,157.12
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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.