Finding the Fourth Proportional to 240,065.79, 331,262.55 and 132,629.42
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Solution
The fourth proportional to 240,065.79, 331,262.55 and 132,629.42 is: 183,012.99
Step by Step Solution
- Step 1: Write the proportion equation
240,065.79 : 331,262.55 = 132,629.42 : x - Step 2: Convert to fraction form
240,065.79/331,262.55 = 132,629.42/x - Step 3: Cross multiply
240,065.79x = 331,262.55 × 132,629.42 - Step 4: Simplify right side
240,065.79x = 43,935,158,217.91 - Step 5: Solve for x
x = 43,935,158,217.91/240,065.79 - Step 6: Final answer
x = 183,012.99
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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.