Finding the Fourth Proportional to 313,484.51, 470,232.88 and 100,292.99
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Solution
The fourth proportional to 313,484.51, 470,232.88 and 100,292.99 is: 150,441.43
Step by Step Solution
- Step 1: Write the proportion equation
313,484.51 : 470,232.88 = 100,292.99 : x - Step 2: Convert to fraction form
313,484.51/470,232.88 = 100,292.99/x - Step 3: Cross multiply
313,484.51x = 470,232.88 × 100,292.99 - Step 4: Simplify right side
313,484.51x = 47,161,058,929.61 - Step 5: Solve for x
x = 47,161,058,929.61/313,484.51 - Step 6: Final answer
x = 150,441.43
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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.