Finding the Fourth Proportional to 316,457.67, 436,625.19 and 180,442.02
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Solution
The fourth proportional to 316,457.67, 436,625.19 and 180,442.02 is: 248,960.73
Step by Step Solution
- Step 1: Write the proportion equation
316,457.67 : 436,625.19 = 180,442.02 : x - Step 2: Convert to fraction form
316,457.67/436,625.19 = 180,442.02/x - Step 3: Cross multiply
316,457.67x = 436,625.19 × 180,442.02 - Step 4: Simplify right side
316,457.67x = 78,785,531,266.48 - Step 5: Solve for x
x = 78,785,531,266.48/316,457.67 - Step 6: Final answer
x = 248,960.73
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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.