Finding the Fourth Proportional to 549,234.08, 757,902.48 and 307,460.96
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Solution
The fourth proportional to 549,234.08, 757,902.48 and 307,460.96 is: 424,273.42
Step by Step Solution
- Step 1: Write the proportion equation
549,234.08 : 757,902.48 = 307,460.96 : x - Step 2: Convert to fraction form
549,234.08/757,902.48 = 307,460.96/x - Step 3: Cross multiply
549,234.08x = 757,902.48 × 307,460.96 - Step 4: Simplify right side
549,234.08x = 233,025,424,087.18 - Step 5: Solve for x
x = 233,025,424,087.18/549,234.08 - Step 6: Final answer
x = 424,273.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.