Finding the Fourth Proportional to 506,027.22, 698,316.36 and 288,235.86
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Solution
The fourth proportional to 506,027.22, 698,316.36 and 288,235.86 is: 397,764.80
Step by Step Solution
- Step 1: Write the proportion equation
506,027.22 : 698,316.36 = 288,235.86 : x - Step 2: Convert to fraction form
506,027.22/698,316.36 = 288,235.86/x - Step 3: Cross multiply
506,027.22x = 698,316.36 × 288,235.86 - Step 4: Simplify right side
506,027.22x = 201,279,816,576.67 - Step 5: Solve for x
x = 201,279,816,576.67/506,027.22 - Step 6: Final answer
x = 397,764.80
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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.