Finding the Fourth Proportional to 316,500.11, 436,767.36 and 171,302.99
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Solution
The fourth proportional to 316,500.11, 436,767.36 and 171,302.99 is: 236,396.61
Step by Step Solution
- Step 1: Write the proportion equation
316,500.11 : 436,767.36 = 171,302.99 : x - Step 2: Convert to fraction form
316,500.11/436,767.36 = 171,302.99/x - Step 3: Cross multiply
316,500.11x = 436,767.36 × 171,302.99 - Step 4: Simplify right side
316,500.11x = 74,819,551,876.18 - Step 5: Solve for x
x = 74,819,551,876.18/316,500.11 - Step 6: Final answer
x = 236,396.61
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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.