Finding the Fourth Proportional to 664,882.13, 997,323.26 and 166,246.13
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Solution
The fourth proportional to 664,882.13, 997,323.26 and 166,246.13 is: 249,369.20
Step by Step Solution
- Step 1: Write the proportion equation
664,882.13 : 997,323.26 = 166,246.13 : x - Step 2: Convert to fraction form
664,882.13/997,323.26 = 166,246.13/x - Step 3: Cross multiply
664,882.13x = 997,323.26 × 166,246.13 - Step 4: Simplify right side
664,882.13x = 165,801,126,516.14 - Step 5: Solve for x
x = 165,801,126,516.14/664,882.13 - Step 6: Final answer
x = 249,369.20
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Double scale
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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.