Finding the Fourth Proportional to 366,911.68, 549,629.40 and 247,337.45
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Solution
The fourth proportional to 366,911.68, 549,629.40 and 247,337.45 is: 370,508.60
Step by Step Solution
- Step 1: Write the proportion equation
366,911.68 : 549,629.40 = 247,337.45 : x - Step 2: Convert to fraction form
366,911.68/549,629.40 = 247,337.45/x - Step 3: Cross multiply
366,911.68x = 549,629.40 × 247,337.45 - Step 4: Simplify right side
366,911.68x = 135,943,934,241.03 - Step 5: Solve for x
x = 135,943,934,241.03/366,911.68 - Step 6: Final answer
x = 370,508.60
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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.