Finding the Fourth Proportional to 316,114.26, 474,072.75 and 105,703.08
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Solution
The fourth proportional to 316,114.26, 474,072.75 and 105,703.08 is: 158,521.64
Step by Step Solution
- Step 1: Write the proportion equation
316,114.26 : 474,072.75 = 105,703.08 : x - Step 2: Convert to fraction form
316,114.26/474,072.75 = 105,703.08/x - Step 3: Cross multiply
316,114.26x = 474,072.75 × 105,703.08 - Step 4: Simplify right side
316,114.26x = 50,110,949,819.07 - Step 5: Solve for x
x = 50,110,949,819.07/316,114.26 - Step 6: Final answer
x = 158,521.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.