Finding the Fourth Proportional to 499,231.80, 748,847.70 and 166,807.80
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Solution
The fourth proportional to 499,231.80, 748,847.70 and 166,807.80 is: 250,211.70
Step by Step Solution
- Step 1: Write the proportion equation
499,231.80 : 748,847.70 = 166,807.80 : x - Step 2: Convert to fraction form
499,231.80/748,847.70 = 166,807.80/x - Step 3: Cross multiply
499,231.80x = 748,847.70 × 166,807.80 - Step 4: Simplify right side
499,231.80x = 124,913,637,372.06 - Step 5: Solve for x
x = 124,913,637,372.06/499,231.80 - Step 6: Final answer
x = 250,211.70
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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.