Finding the Fourth Proportional to 270,141.87, 372,794.36 and 149,291.55
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Solution
The fourth proportional to 270,141.87, 372,794.36 and 149,291.55 is: 206,021.55
Step by Step Solution
- Step 1: Write the proportion equation
270,141.87 : 372,794.36 = 149,291.55 : x - Step 2: Convert to fraction form
270,141.87/372,794.36 = 149,291.55/x - Step 3: Cross multiply
270,141.87x = 372,794.36 × 149,291.55 - Step 4: Simplify right side
270,141.87x = 55,655,047,089.20 - Step 5: Solve for x
x = 55,655,047,089.20/270,141.87 - Step 6: Final answer
x = 206,021.55
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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.