Finding the Fourth Proportional to 230,701.20, 346,051.80 and 125,725.20
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Solution
The fourth proportional to 230,701.20, 346,051.80 and 125,725.20 is: 188,587.80
Step by Step Solution
- Step 1: Write the proportion equation
230,701.20 : 346,051.80 = 125,725.20 : x - Step 2: Convert to fraction form
230,701.20/346,051.80 = 125,725.20/x - Step 3: Cross multiply
230,701.20x = 346,051.80 × 125,725.20 - Step 4: Simplify right side
230,701.20x = 43,507,431,765.36 - Step 5: Solve for x
x = 43,507,431,765.36/230,701.20 - Step 6: Final answer
x = 188,587.80
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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.