Finding the Fourth Proportional to 313,570.24, 470,348.56 and 76,914.08
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Solution
The fourth proportional to 313,570.24, 470,348.56 and 76,914.08 is: 115,369.45
Step by Step Solution
- Step 1: Write the proportion equation
313,570.24 : 470,348.56 = 76,914.08 : x - Step 2: Convert to fraction form
313,570.24/470,348.56 = 76,914.08/x - Step 3: Cross multiply
313,570.24x = 470,348.56 × 76,914.08 - Step 4: Simplify right side
313,570.24x = 36,176,426,771.72 - Step 5: Solve for x
x = 36,176,426,771.72/313,570.24 - Step 6: Final answer
x = 115,369.45
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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.