Finding the Fourth Proportional to 403,041.96, 556,197.84 and 221,749.92
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Solution
The fourth proportional to 403,041.96, 556,197.84 and 221,749.92 is: 306,014.85
Step by Step Solution
- Step 1: Write the proportion equation
403,041.96 : 556,197.84 = 221,749.92 : x - Step 2: Convert to fraction form
403,041.96/556,197.84 = 221,749.92/x - Step 3: Cross multiply
403,041.96x = 556,197.84 × 221,749.92 - Step 4: Simplify right side
403,041.96x = 123,336,826,524.17 - Step 5: Solve for x
x = 123,336,826,524.17/403,041.96 - Step 6: Final answer
x = 306,014.85
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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.