Finding the Fourth Proportional to 245,446.93, 368,174.99 and 76,963.56
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Solution
The fourth proportional to 245,446.93, 368,174.99 and 76,963.56 is: 115,446.78
Step by Step Solution
- Step 1: Write the proportion equation
245,446.93 : 368,174.99 = 76,963.56 : x - Step 2: Convert to fraction form
245,446.93/368,174.99 = 76,963.56/x - Step 3: Cross multiply
245,446.93x = 368,174.99 × 76,963.56 - Step 4: Simplify right side
245,446.93x = 28,336,057,933.36 - Step 5: Solve for x
x = 28,336,057,933.36/245,446.93 - Step 6: Final answer
x = 115,446.78
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1.5x scale
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.