Finding the Fourth Proportional to 293,631.44, 440,512.79 and 93,963.81
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Solution
The fourth proportional to 293,631.44, 440,512.79 and 93,963.81 is: 140,966.72
Step by Step Solution
- Step 1: Write the proportion equation
293,631.44 : 440,512.79 = 93,963.81 : x - Step 2: Convert to fraction form
293,631.44/440,512.79 = 93,963.81/x - Step 3: Cross multiply
293,631.44x = 440,512.79 × 93,963.81 - Step 4: Simplify right side
293,631.44x = 41,392,259,632.31 - Step 5: Solve for x
x = 41,392,259,632.31/293,631.44 - Step 6: Final answer
x = 140,966.72
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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.