Finding the Fourth Proportional to 240,743.34, 332,225.27 and 138,768.12
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Solution
The fourth proportional to 240,743.34, 332,225.27 and 138,768.12 is: 191,499.70
Step by Step Solution
- Step 1: Write the proportion equation
240,743.34 : 332,225.27 = 138,768.12 : x - Step 2: Convert to fraction form
240,743.34/332,225.27 = 138,768.12/x - Step 3: Cross multiply
240,743.34x = 332,225.27 × 138,768.12 - Step 4: Simplify right side
240,743.34x = 46,102,275,440.55 - Step 5: Solve for x
x = 46,102,275,440.55/240,743.34 - Step 6: Final answer
x = 191,499.70
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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.