Finding the Fourth Proportional to 239,979.74, 360,074.70 and 113,710.13
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Solution
The fourth proportional to 239,979.74, 360,074.70 and 113,710.13 is: 170,614.99
Step by Step Solution
- Step 1: Write the proportion equation
239,979.74 : 360,074.70 = 113,710.13 : x - Step 2: Convert to fraction form
239,979.74/360,074.70 = 113,710.13/x - Step 3: Cross multiply
239,979.74x = 360,074.70 × 113,710.13 - Step 4: Simplify right side
239,979.74x = 40,944,139,146.34 - Step 5: Solve for x
x = 40,944,139,146.34/239,979.74 - Step 6: Final answer
x = 170,614.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.