Finding the Fourth Proportional to 316,571.26, 436,910.10 and 180,574.06
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Solution
The fourth proportional to 316,571.26, 436,910.10 and 180,574.06 is: 249,216.02
Step by Step Solution
- Step 1: Write the proportion equation
316,571.26 : 436,910.10 = 180,574.06 : x - Step 2: Convert to fraction form
316,571.26/436,910.10 = 180,574.06/x - Step 3: Cross multiply
316,571.26x = 436,910.10 × 180,574.06 - Step 4: Simplify right side
316,571.26x = 78,894,630,612.01 - Step 5: Solve for x
x = 78,894,630,612.01/316,571.26 - Step 6: Final answer
x = 249,216.02
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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.