Finding the Fourth Proportional to 240,263.24, 331,596.18 and 138,286.58
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Solution
The fourth proportional to 240,263.24, 331,596.18 and 138,286.58 is: 190,854.42
Step by Step Solution
- Step 1: Write the proportion equation
240,263.24 : 331,596.18 = 138,286.58 : x - Step 2: Convert to fraction form
240,263.24/331,596.18 = 138,286.58/x - Step 3: Cross multiply
240,263.24x = 331,596.18 × 138,286.58 - Step 4: Simplify right side
240,263.24x = 45,855,301,673.26 - Step 5: Solve for x
x = 45,855,301,673.26/240,263.24 - Step 6: Final answer
x = 190,854.42
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1.5x scale
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.