Finding the Fourth Proportional to 120,354.08, 180,547.92 and 50,217.32
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Solution
The fourth proportional to 120,354.08, 180,547.92 and 50,217.32 is: 75,332.99
Step by Step Solution
- Step 1: Write the proportion equation
120,354.08 : 180,547.92 = 50,217.32 : x - Step 2: Convert to fraction form
120,354.08/180,547.92 = 50,217.32/x - Step 3: Cross multiply
120,354.08x = 180,547.92 × 50,217.32 - Step 4: Simplify right side
120,354.08x = 9,066,632,673.97 - Step 5: Solve for x
x = 9,066,632,673.97/120,354.08 - Step 6: Final answer
x = 75,332.99
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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.