Finding the Fourth Proportional to 316,688.88, 436,922.28 and 180,625.08
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Solution
The fourth proportional to 316,688.88, 436,922.28 and 180,625.08 is: 249,200.80
Step by Step Solution
- Step 1: Write the proportion equation
316,688.88 : 436,922.28 = 180,625.08 : x - Step 2: Convert to fraction form
316,688.88/436,922.28 = 180,625.08/x - Step 3: Cross multiply
316,688.88x = 436,922.28 × 180,625.08 - Step 4: Simplify right side
316,688.88x = 78,919,121,778.78 - Step 5: Solve for x
x = 78,919,121,778.78/316,688.88 - Step 6: Final answer
x = 249,200.80
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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.