Finding the Fourth Proportional to 664,865.07, 997,297.62 and 166,229.07
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Solution
The fourth proportional to 664,865.07, 997,297.62 and 166,229.07 is: 249,343.60
Step by Step Solution
- Step 1: Write the proportion equation
664,865.07 : 997,297.62 = 166,229.07 : x - Step 2: Convert to fraction form
664,865.07/997,297.62 = 166,229.07/x - Step 3: Cross multiply
664,865.07x = 997,297.62 × 166,229.07 - Step 4: Simplify right side
664,865.07x = 165,779,850,068.18 - Step 5: Solve for x
x = 165,779,850,068.18/664,865.07 - Step 6: Final answer
x = 249,343.60
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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.