Finding the Fourth Proportional to 313,457.76, 470,108.88 and 147,206.88
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Solution
The fourth proportional to 313,457.76, 470,108.88 and 147,206.88 is: 220,773.80
Step by Step Solution
- Step 1: Write the proportion equation
313,457.76 : 470,108.88 = 147,206.88 : x - Step 2: Convert to fraction form
313,457.76/470,108.88 = 147,206.88/x - Step 3: Cross multiply
313,457.76x = 470,108.88 × 147,206.88 - Step 4: Simplify right side
313,457.76x = 69,203,261,485.09 - Step 5: Solve for x
x = 69,203,261,485.09/313,457.76 - Step 6: Final answer
x = 220,773.80
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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.