Finding the Fourth Proportional to 329,617.81, 454,841.08 and 261,798.94
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Solution
The fourth proportional to 329,617.81, 454,841.08 and 261,798.94 is: 361,257.52
Step by Step Solution
- Step 1: Write the proportion equation
329,617.81 : 454,841.08 = 261,798.94 : x - Step 2: Convert to fraction form
329,617.81/454,841.08 = 261,798.94/x - Step 3: Cross multiply
329,617.81x = 454,841.08 × 261,798.94 - Step 4: Simplify right side
329,617.81x = 119,076,912,612.46 - Step 5: Solve for x
x = 119,076,912,612.46/329,617.81 - Step 6: Final answer
x = 361,257.52
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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.