Finding the Fourth Proportional to 674,235.70, 1,011,353.55 and 175,599.70
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Solution
The fourth proportional to 674,235.70, 1,011,353.55 and 175,599.70 is: 263,399.55
Step by Step Solution
- Step 1: Write the proportion equation
674,235.70 : 1,011,353.55 = 175,599.70 : x - Step 2: Convert to fraction form
674,235.70/1,011,353.55 = 175,599.70/x - Step 3: Cross multiply
674,235.70x = 1,011,353.55 × 175,599.70 - Step 4: Simplify right side
674,235.70x = 177,593,379,973.94 - Step 5: Solve for x
x = 177,593,379,973.94/674,235.70 - Step 6: Final answer
x = 263,399.55
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Similar ratio
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1.5x scale
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.