Finding the Fourth Proportional to 665,040.08, 997,560.12 and 166,404.08
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Solution
The fourth proportional to 665,040.08, 997,560.12 and 166,404.08 is: 249,606.12
Step by Step Solution
- Step 1: Write the proportion equation
665,040.08 : 997,560.12 = 166,404.08 : x - Step 2: Convert to fraction form
665,040.08/997,560.12 = 166,404.08/x - Step 3: Cross multiply
665,040.08x = 997,560.12 × 166,404.08 - Step 4: Simplify right side
665,040.08x = 165,998,074,013.29 - Step 5: Solve for x
x = 165,998,074,013.29/665,040.08 - Step 6: Final answer
x = 249,606.12
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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.