Finding the Fourth Proportional to 313,203.36, 432,214.64 and 177,234.84
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Solution
The fourth proportional to 313,203.36, 432,214.64 and 177,234.84 is: 244,580.69
Step by Step Solution
- Step 1: Write the proportion equation
313,203.36 : 432,214.64 = 177,234.84 : x - Step 2: Convert to fraction form
313,203.36/432,214.64 = 177,234.84/x - Step 3: Cross multiply
313,203.36x = 432,214.64 × 177,234.84 - Step 4: Simplify right side
313,203.36x = 76,603,492,566.06 - Step 5: Solve for x
x = 76,603,492,566.06/313,203.36 - Step 6: Final answer
x = 244,580.69
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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.