Finding the Fourth Proportional to 316,193.48, 436,360.98 and 182,100.68
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Solution
The fourth proportional to 316,193.48, 436,360.98 and 182,100.68 is: 251,306.99
Step by Step Solution
- Step 1: Write the proportion equation
316,193.48 : 436,360.98 = 182,100.68 : x - Step 2: Convert to fraction form
316,193.48/436,360.98 = 182,100.68/x - Step 3: Cross multiply
316,193.48x = 436,360.98 × 182,100.68 - Step 4: Simplify right side
316,193.48x = 79,461,631,183.47 - Step 5: Solve for x
x = 79,461,631,183.47/316,193.48 - Step 6: Final answer
x = 251,306.99
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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.