Finding the Fourth Proportional to 316,795.62, 475,194.11 and 76,908.63
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Solution
The fourth proportional to 316,795.62, 475,194.11 and 76,908.63 is: 115,363.11
Step by Step Solution
- Step 1: Write the proportion equation
316,795.62 : 475,194.11 = 76,908.63 : x - Step 2: Convert to fraction form
316,795.62/475,194.11 = 76,908.63/x - Step 3: Cross multiply
316,795.62x = 475,194.11 × 76,908.63 - Step 4: Simplify right side
316,795.62x = 36,546,527,599.63 - Step 5: Solve for x
x = 36,546,527,599.63/316,795.62 - Step 6: Final answer
x = 115,363.11
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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.