Finding the Fourth Proportional to 456,692.36, 685,190.68 and 153,116.56
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Solution
The fourth proportional to 456,692.36, 685,190.68 and 153,116.56 is: 229,725.84
Step by Step Solution
- Step 1: Write the proportion equation
456,692.36 : 685,190.68 = 153,116.56 : x - Step 2: Convert to fraction form
456,692.36/685,190.68 = 153,116.56/x - Step 3: Cross multiply
456,692.36x = 685,190.68 × 153,116.56 - Step 4: Simplify right side
456,692.36x = 104,914,037,769.89 - Step 5: Solve for x
x = 104,914,037,769.89/456,692.36 - Step 6: Final answer
x = 229,725.84
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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.