Finding the Fourth Proportional to 316,515.98, 436,792.04 and 173,276.02
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Solution
The fourth proportional to 316,515.98, 436,792.04 and 173,276.02 is: 239,120.90
Step by Step Solution
- Step 1: Write the proportion equation
316,515.98 : 436,792.04 = 173,276.02 : x - Step 2: Convert to fraction form
316,515.98/436,792.04 = 173,276.02/x - Step 3: Cross multiply
316,515.98x = 436,792.04 × 173,276.02 - Step 4: Simplify right side
316,515.98x = 75,685,585,392.50 - Step 5: Solve for x
x = 75,685,585,392.50/316,515.98 - Step 6: Final answer
x = 239,120.90
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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.