Finding the Fourth Proportional to 316,602.44, 436,921.26 and 173,376.08
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Solution
The fourth proportional to 316,602.44, 436,921.26 and 173,376.08 is: 239,264.41
Step by Step Solution
- Step 1: Write the proportion equation
316,602.44 : 436,921.26 = 173,376.08 : x - Step 2: Convert to fraction form
316,602.44/436,921.26 = 173,376.08/x - Step 3: Cross multiply
316,602.44x = 436,921.26 × 173,376.08 - Step 4: Simplify right side
316,602.44x = 75,751,695,327.46 - Step 5: Solve for x
x = 75,751,695,327.46/316,602.44 - Step 6: Final answer
x = 239,264.41
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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.