Finding the Fourth Proportional to 248,123.99, 342,489.16 and 140,765.38
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Solution
The fourth proportional to 248,123.99, 342,489.16 and 140,765.38 is: 194,300.50
Step by Step Solution
- Step 1: Write the proportion equation
248,123.99 : 342,489.16 = 140,765.38 : x - Step 2: Convert to fraction form
248,123.99/342,489.16 = 140,765.38/x - Step 3: Cross multiply
248,123.99x = 342,489.16 × 140,765.38 - Step 4: Simplify right side
248,123.99x = 48,210,616,073.01 - Step 5: Solve for x
x = 48,210,616,073.01/248,123.99 - Step 6: Final answer
x = 194,300.50
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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.