Finding the Fourth Proportional to 366,911.20, 549,710.70 and 310,486.60
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Solution
The fourth proportional to 366,911.20, 549,710.70 and 310,486.60 is: 465,174.70
Step by Step Solution
- Step 1: Write the proportion equation
366,911.20 : 549,710.70 = 310,486.60 : x - Step 2: Convert to fraction form
366,911.20/549,710.70 = 310,486.60/x - Step 3: Cross multiply
366,911.20x = 549,710.70 × 310,486.60 - Step 4: Simplify right side
366,911.20x = 170,677,806,226.62 - Step 5: Solve for x
x = 170,677,806,226.62/366,911.20 - Step 6: Final answer
x = 465,174.70
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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.