Finding the Fourth Proportional to 313,407.48, 470,102.14 and 88,767.48
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Solution
The fourth proportional to 313,407.48, 470,102.14 and 88,767.48 is: 133,148.65
Step by Step Solution
- Step 1: Write the proportion equation
313,407.48 : 470,102.14 = 88,767.48 : x - Step 2: Convert to fraction form
313,407.48/470,102.14 = 88,767.48/x - Step 3: Cross multiply
313,407.48x = 470,102.14 × 88,767.48 - Step 4: Simplify right side
313,407.48x = 41,729,782,310.41 - Step 5: Solve for x
x = 41,729,782,310.41/313,407.48 - Step 6: Final answer
x = 133,148.65
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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.