Finding the Fourth Proportional to 316,594.44, 436,910.22 and 173,368.08
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Solution
The fourth proportional to 316,594.44, 436,910.22 and 173,368.08 is: 239,253.37
Step by Step Solution
- Step 1: Write the proportion equation
316,594.44 : 436,910.22 = 173,368.08 : x - Step 2: Convert to fraction form
316,594.44/436,910.22 = 173,368.08/x - Step 3: Cross multiply
316,594.44x = 436,910.22 × 173,368.08 - Step 4: Simplify right side
316,594.44x = 75,746,285,973.78 - Step 5: Solve for x
x = 75,746,285,973.78/316,594.44 - Step 6: Final answer
x = 239,253.37
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1.5x scale
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.