Finding the Fourth Proportional to 188,390.56, 260,023.62 and 107,864.42
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Solution
The fourth proportional to 188,390.56, 260,023.62 and 107,864.42 is: 148,878.46
Step by Step Solution
- Step 1: Write the proportion equation
188,390.56 : 260,023.62 = 107,864.42 : x - Step 2: Convert to fraction form
188,390.56/260,023.62 = 107,864.42/x - Step 3: Cross multiply
188,390.56x = 260,023.62 × 107,864.42 - Step 4: Simplify right side
188,390.56x = 28,047,296,957.60 - Step 5: Solve for x
x = 28,047,296,957.60/188,390.56 - Step 6: Final answer
x = 148,878.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.