Finding the Fourth Proportional to 664,865.13, 997,297.70 and 166,229.13
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Solution
The fourth proportional to 664,865.13, 997,297.70 and 166,229.13 is: 249,343.70
Step by Step Solution
- Step 1: Write the proportion equation
664,865.13 : 997,297.70 = 166,229.13 : x - Step 2: Convert to fraction form
664,865.13/997,297.70 = 166,229.13/x - Step 3: Cross multiply
664,865.13x = 997,297.70 × 166,229.13 - Step 4: Simplify right side
664,865.13x = 165,779,929,022.00 - Step 5: Solve for x
x = 165,779,929,022.00/664,865.13 - Step 6: Final answer
x = 249,343.70
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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.