Finding the Fourth Proportional to 329,284.71, 454,412.88 and 178,381.71
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Solution
The fourth proportional to 329,284.71, 454,412.88 and 178,381.71 is: 246,166.75
Step by Step Solution
- Step 1: Write the proportion equation
329,284.71 : 454,412.88 = 178,381.71 : x - Step 2: Convert to fraction form
329,284.71/454,412.88 = 178,381.71/x - Step 3: Cross multiply
329,284.71x = 454,412.88 × 178,381.71 - Step 4: Simplify right side
329,284.71x = 81,058,946,580.42 - Step 5: Solve for x
x = 81,058,946,580.42/329,284.71 - Step 6: Final answer
x = 246,166.75
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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.