Finding the Fourth Proportional to 316,022.22, 436,102.29 and 186,967.35
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Solution
The fourth proportional to 316,022.22, 436,102.29 and 186,967.35 is: 258,009.99
Step by Step Solution
- Step 1: Write the proportion equation
316,022.22 : 436,102.29 = 186,967.35 : x - Step 2: Convert to fraction form
316,022.22/436,102.29 = 186,967.35/x - Step 3: Cross multiply
316,022.22x = 436,102.29 × 186,967.35 - Step 4: Simplify right side
316,022.22x = 81,536,889,490.23 - Step 5: Solve for x
x = 81,536,889,490.23/316,022.22 - Step 6: Final answer
x = 258,009.99
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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.